What 𱈛 means
𱈛 is the cjk unified ideograph-3121b. Unicode classifies it as a letter and files it in the CJK Unified Ideographs Extension G block; this site shelves it under Chinese, Japanese & Korean.
Its appearance depends on the font and text styling.
How it is encoded
𱈛 is a single code point, U+3121B. In HTML that is 𱈛, and in CSS \3121B.
Questions people ask
1Why does 𱈛 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type 𱈛
Windows (Word)
Alt+XType 3121B, then Alt+X to get 𱈛.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “cjk unified ideograph-3121b”.
Linux
Ctrl+Shift+UType 3121b, then Enter or Space.
HTML
𱈛CSS
\3121BCodes and encoding1 code points
HTML decimal
𱈛
HTML hex
𱈛
CSS content
content: "\3121B";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%B1%88%9B
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.