202110299957 has 2 divisors, whose sum is σ = 202110299958. Its totient is φ = 202110299956.

The previous prime is 202110299921. The next prime is 202110299969. The reversal of 202110299957 is 759992011202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139703265361 + 62407034596 = 373769^2 + 249814^2 .

It is a cyclic number.

It is not a de Polignac number, because 202110299957 - 2³² = 197815332661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202110299987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055149978 + 101055149979.

It is an arithmetic number, because the mean of its divisors is an integer number (101055149979).

Almost surely, 2^202110299957 is an apocalyptic number.

It is an amenable number.

202110299957 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110299957 is an equidigital number, since it uses as much as digits as its factorization.

202110299957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 202110299957 in words is "two hundred two billion, one hundred ten million, two hundred ninety-nine thousand, nine hundred fifty-seven".