121032112131 has 24 divisors (see below), whose sum is σ = 200068028160. Its totient is φ = 69068096496.

The previous prime is 121032112127. The next prime is 121032112171. The reversal of 121032112131 is 131211230121.

121032112131 is a `hidden beast` number, since 1 + 210 + 321 + 1 + 2 + 131 = 666.

It is not a de Polignac number, because 121032112131 - 2² = 121032112127 is a prime.

It is a super-2 number, since 2×121032112131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121032112171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1246021 + ... + 1339638.

It is an arithmetic number, because the mean of its divisors is an integer number (8336167840).

Almost surely, 2^121032112131 is an apocalyptic number.

121032112131 is a deficient number, since it is larger than the sum of its proper divisors (79035916029).

121032112131 is a wasteful number, since it uses less digits than its factorization.

121032112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586415 (or 2586412 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121032112131 its reverse (131211230121), we get a palindrome (252243342252).

The spelling of 121032112131 in words is "one hundred twenty-one billion, thirty-two million, one hundred twelve thousand, one hundred thirty-one".