Undefined Character (U+11F21)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑼡` `𑼡`
UTF-8 Encoding:	`0xF0 0x91 0xBC 0xA1`
UTF-16 Encoding:	`0xD807 0xDF21`
UTF-32 Encoding:	`0x00011F21`

References