120111112121120 has 96 divisors (see below), whose sum is σ = 284447662934400. Its totient is φ = 47928462151680.

The previous prime is 120111112121113. The next prime is 120111112121123. The reversal of 120111112121120 is 21121211111021.

It is not an unprimeable number, because it can be changed into a prime (120111112121123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699572885 + ... + 699744555.

It is an arithmetic number, because the mean of its divisors is an integer number (2962996488900).

Almost surely, 2^{120111112121120} is an apocalyptic number.

120111112121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111112121120 is an abundant number, since it is smaller than the sum of its proper divisors (164336550813280).

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

120111112121120 is a wasteful number, since it uses less digits than its factorization.

120111112121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182218 (or 182210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 120111112121120 its reverse (21121211111021), we get a palindrome (141232323232141).

The spelling of 120111112121120 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty".