102231130121 has 32 divisors (see below), whose sum is σ = 109424947200. Its totient is φ = 95360379840.

The previous prime is 102231130117. The next prime is 102231130189. The reversal of 102231130121 is 121031132201.

It is a cyclic number.

It is not a de Polignac number, because 102231130121 - 2² = 102231130117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102231130121.

It is not an unprimeable number, because it can be changed into a prime (102231130921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28060526 + ... + 28064168.

It is an arithmetic number, because the mean of its divisors is an integer number (3419529600).

Almost surely, 2^102231130121 is an apocalyptic number.

It is an amenable number.

102231130121 is a deficient number, since it is larger than the sum of its proper divisors (7193817079).

102231130121 is a wasteful number, since it uses less digits than its factorization.

102231130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102231130121 its reverse (121031132201), we get a palindrome (223262262322).

The spelling of 102231130121 in words is "one hundred two billion, two hundred thirty-one million, one hundred thirty thousand, one hundred twenty-one".