The Todhri block spans U+105C0–U+105FF, 64 codepoints in Plane 1 (Supplementary Multilingual Plane). 52 are assigned in Unicode 16.0; the other 12 are reserved for future characters.
All of its characters belong to the Todhri script.
By general category: 52 other letters (Lo).
The first 52 arrived in Unicode 16.0 (2024).
Because it lies outside the BMP, every character here takes four bytes in UTF-8 and a surrogate pair in UTF-16.