13111113120120 has 48 divisors (see below), whose sum is σ = 42611117641560. Its totient is φ = 3496296831936.

The previous prime is 13111113120031. The next prime is 13111113120137. The reversal of 13111113120120 is 2102131111131.

13111113120120 is a `hidden beast` number, since 1 + 311 + 1 + 1 + 131 + 201 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13111113120093 and 13111113120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18209878974 + ... + 18209879693.

Almost surely, 2^{13111113120120} is an apocalyptic number.

13111113120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111113120120 is an abundant number, since it is smaller than the sum of its proper divisors (29500004521440).

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

13111113120120 is a wasteful number, since it uses less digits than its factorization.

13111113120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36419758684 (or 36419758677 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 13111113120120 its reverse (2102131111131), we get a palindrome (15213244231251).

The spelling of 13111113120120 in words is "thirteen trillion, one hundred eleven billion, one hundred thirteen million, one hundred twenty thousand, one hundred twenty".