102102122031 has 32 divisors (see below), whose sum is σ = 174837089280. Its totient is φ = 51514493184.

The previous prime is 102102121997. The next prime is 102102122033. The reversal of 102102122031 is 130221201201.

It is not a de Polignac number, because 102102122031 - 2¹⁸ = 102101859887 is a prime.

It is a super-2 number, since 2×102102122031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102102122031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102122033) 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, 8124166 + ... + 8136723.

It is an arithmetic number, because the mean of its divisors is an integer number (5463659040).

Almost surely, 2^102102122031 is an apocalyptic number.

102102122031 is a deficient number, since it is larger than the sum of its proper divisors (72734967249).

102102122031 is a wasteful number, since it uses less digits than its factorization.

102102122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16260935.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102102122031 its reverse (130221201201), we get a palindrome (232323323232).

The spelling of 102102122031 in words is "one hundred two billion, one hundred two million, one hundred twenty-two thousand, thirty-one".