Undefined Character (U+16121)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖄡` `𖄡`
UTF-8 Encoding:	`0xF0 0x96 0x84 0xA1`
UTF-16 Encoding:	`0xD818 0xDD21`
UTF-32 Encoding:	`0x00016121`

References