Code point
U+1F100
Glyph appearance depends on your fonts.
U+1F100
No<compat> 0030 002EU+1F100 DIGIT ZERO FULL STOP is a Unicode 16.0.0 character in the Other Number category. It belongs to the Enclosed Alphanumeric Supplement block.
Choose the representation you need, then copy its value.
U+1F100
127232
🄀
🄀
F0 9F 84 80
D83C DD00
0001F100
%F0%9F%84%80
\U0001F100
\u{1F100}
\uD83C\uDD00
\1F100