202232100857 has 2 divisors, whose sum is σ = 202232100858. Its totient is φ = 202232100856.

The previous prime is 202232100809. The next prime is 202232100871. The reversal of 202232100857 is 758001232202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101126544016 + 101105556841 = 318004^2 + 317971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202232100857 is a prime.

It is not a weakly prime, because it can be changed into another prime (202232100757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101116050428 + 101116050429.

It is an arithmetic number, because the mean of its divisors is an integer number (101116050429).

Almost surely, 2^202232100857 is an apocalyptic number.

It is an amenable number.

202232100857 is a deficient number, since it is larger than the sum of its proper divisors (1).

202232100857 is an equidigital number, since it uses as much as digits as its factorization.

202232100857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 202232100857 in words is "two hundred two billion, two hundred thirty-two million, one hundred thousand, eight hundred fifty-seven".