210010220957 has 2 divisors, whose sum is σ = 210010220958. Its totient is φ = 210010220956.

The previous prime is 210010220941. The next prime is 210010220983. The reversal of 210010220957 is 759022010012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180943039876 + 29067181081 = 425374^2 + 170491^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010220957 - 2⁴ = 210010220941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010223957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005110478 + 105005110479.

It is an arithmetic number, because the mean of its divisors is an integer number (105005110479).

Almost surely, 2^210010220957 is an apocalyptic number.

It is an amenable number.

210010220957 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010220957 is an equidigital number, since it uses as much as digits as its factorization.

210010220957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 210010220957 its reverse (759022010012), we get a palindrome (969032230969).

The spelling of 210010220957 in words is "two hundred ten billion, ten million, two hundred twenty thousand, nine hundred fifty-seven".