10167251021 has 2 divisors, whose sum is σ = 10167251022. Its totient is φ = 10167251020.

The previous prime is 10167251011. The next prime is 10167251041. The reversal of 10167251021 is 12015276101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6853521796 + 3313729225 = 82786^2 + 57565^2 .

It is a cyclic number.

It is not a de Polignac number, because 10167251021 - 2³⁰ = 9093509197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10167251011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5083625510 + 5083625511.

It is an arithmetic number, because the mean of its divisors is an integer number (5083625511).

Almost surely, 2^10167251021 is an apocalyptic number.

It is an amenable number.

10167251021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10167251021 is an equidigital number, since it uses as much as digits as its factorization.

10167251021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 10167251021 in words is "ten billion, one hundred sixty-seven million, two hundred fifty-one thousand, twenty-one".