Undefined Character (U+11864)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑡤` `𑡤`
UTF-8 Encoding:	`0xF0 0x91 0xA1 0xA4`
UTF-16 Encoding:	`0xD806 0xDC64`
UTF-32 Encoding:	`0x00011864`

References