You call it a Chilligon. "Chilli" is Greek and means 100 and "gon" is the prefix.
hundred sided shape is called a chlligon
A 12-sided shape is called a dodecagon.
Parallelogram
Dooctahedron
Icosahedron
You can call a 101-sided shape a hecatontakaihenagon. The "hecto-" in the word means "one hundred" and the "henagon" means "one-sided geometric shape."
A hundred million sided shape is called a hectocosagon.
hundred sided shape is called a chlligon
you call a seven sided shape a heptagon.
An 11 sided shape is an Eptogon
A seven sided shape is called a heptagon.
A 12-sided shape is called a dodecagon.
A 30 sided shape is called a Triacontagon.
A nine sided shape or polygon is called a nonagon.
118-sided shape is called a hectadecakaioctagon.
A 200 sided shape is called a dictogon
Centagon