102131123122 has 16 divisors (see below), whose sum is σ = 182694183552. Its totient is φ = 41867416800.

The previous prime is 102131123063. The next prime is 102131123147. The reversal of 102131123122 is 221321131201.

102131123122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×102131123122² (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 102131123122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158588379 + ... + 158589022.

It is an arithmetic number, because the mean of its divisors is an integer number (11418386472).

Almost surely, 2^102131123122 is an apocalyptic number.

102131123122 is a deficient number, since it is larger than the sum of its proper divisors (80563060430).

102131123122 is a wasteful number, since it uses less digits than its factorization.

102131123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317177433.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102131123122 its reverse (221321131201), we get a palindrome (323452254323).

The spelling of 102131123122 in words is "one hundred two billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty-two".