202010211200921 has 2 divisors, whose sum is σ = 202010211200922. Its totient is φ = 202010211200920.

The previous prime is 202010211200887. The next prime is 202010211201023. The reversal of 202010211200921 is 129002112010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167491766143321 + 34518445057600 = 12941861^2 + 5875240^2 .

It is a cyclic number.

It is not a de Polignac number, because 202010211200921 - 2¹⁸ = 202010210938777 is a prime.

It is not a weakly prime, because it can be changed into another prime (202010211200521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101005105600460 + 101005105600461.

It is an arithmetic number, because the mean of its divisors is an integer number (101005105600461).

Almost surely, 2^{202010211200921} is an apocalyptic number.

It is an amenable number.

202010211200921 is a deficient number, since it is larger than the sum of its proper divisors (1).

202010211200921 is an equidigital number, since it uses as much as digits as its factorization.

202010211200921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 202010211200921 in words is "two hundred two trillion, ten billion, two hundred eleven million, two hundred thousand, nine hundred twenty-one".