121113310331232 has 120 divisors (see below), whose sum is σ = 356228761431312. Its totient is φ = 40366810080000.

The previous prime is 121113310331207. The next prime is 121113310331249. The reversal of 121113310331232 is 232133013311121.

121113310331232 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 3 + 310 + 3 + 312 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121113310331196 and 121113310331205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21939357 + ... + 26899107.

Almost surely, 2^{121113310331232} is an apocalyptic number.

121113310331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121113310331232 is an abundant number, since it is smaller than the sum of its proper divisors (235115451100080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121113310331232 is an equidigital number, since it uses as much as digits as its factorization.

121113310331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969194 (or 4969177 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 121113310331232 its reverse (232133013311121), we get a palindrome (353246323642353).

The spelling of 121113310331232 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred ten million, three hundred thirty-one thousand, two hundred thirty-two".