Tritruncated icosiheptaheptacontadipeton

The tritruncated icosiheptaheptacontadipeton or titajak, also called the tritruncated 221 polytope, is a convex uniform polypeton. It consists of 27 great rhombated demipenteracts, 27 bitruncated penteracts, and 72 bitruncated hexatera. 3 great rhombated demipenteracts, 2 bitruncated penteracts, and 1 bitruncated hexateron join at each vertex. As the name suggests, it is the tritruncation of the icosiheptaheptacontadipeton.