121112332131164 has 24 divisors (see below), whose sum is σ = 235004853112176. Its totient is φ = 54148583664000.

The previous prime is 121112332131163. The next prime is 121112332131181. The reversal of 121112332131164 is 461131233211121.

It is a self number, because there is not a number n which added to its sum of digits gives 121112332131164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112332131163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22561907177 + ... + 22561912544.

It is an arithmetic number, because the mean of its divisors is an integer number (9791868879674).

Almost surely, 2^{121112332131164} is an apocalyptic number.

It is an amenable number.

121112332131164 is a deficient number, since it is larger than the sum of its proper divisors (113892520981012).

121112332131164 is a wasteful number, since it uses less digits than its factorization.

121112332131164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45123819797 (or 45123819795 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

Adding to 121112332131164 its reverse (461131233211121), we get a palindrome (582243565342285).

The spelling of 121112332131164 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, one hundred thirty-one thousand, one hundred sixty-four".