<page_title> 2 21 polytope </page_title> <section_title> Rectified 2_21 polytope </section_title> <table> <cell> Rectified 221 polytope </cell> <cell> Vertices <col_header> Rectified 221 polytope </col_header> </cell> <cell> 216 <col_header> Rectified 221 polytope </col_header> </cell> </table>
The rectified 2₂₁ has 216 vertices.