120111122120 has 64 divisors (see below), whose sum is σ = 294855422400. Its totient is φ = 43671258880.

The previous prime is 120111122119. The next prime is 120111122141. The reversal of 120111122120 is 21221111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111122095 and 120111122104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5421626 + ... + 5443734.

It is an arithmetic number, because the mean of its divisors is an integer number (4607115975).

Almost surely, 2^120111122120 is an apocalyptic number.

120111122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111122120 is an abundant number, since it is smaller than the sum of its proper divisors (174744300280).

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

120111122120 is a wasteful number, since it uses less digits than its factorization.

120111122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34478 (or 34474 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120111122120 its reverse (21221111021), we get a palindrome (141332233141).

The spelling of 120111122120 in words is "one hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty".