102130744163021 has 32 divisors (see below), whose sum is σ = 121619601211392. Its totient is φ = 83919808529280.

The previous prime is 102130744162999. The next prime is 102130744163027. The reversal of 102130744163021 is 120361447031201.

It is a cyclic number.

It is not a de Polignac number, because 102130744163021 - 2²² = 102130739968717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130744163027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400562840 + ... + 400817726.

It is an arithmetic number, because the mean of its divisors is an integer number (3800612537856).

Almost surely, 2^{102130744163021} is an apocalyptic number.

It is an amenable number.

102130744163021 is a deficient number, since it is larger than the sum of its proper divisors (19488857048371).

102130744163021 is a wasteful number, since it uses less digits than its factorization.

102130744163021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272289.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 102130744163021 in words is "one hundred two trillion, one hundred thirty billion, seven hundred forty-four million, one hundred sixty-three thousand, twenty-one".