120111122111120 has 80 divisors (see below), whose sum is σ = 319184587843200. Its totient is φ = 41176804196352.

The previous prime is 120111122111089. The next prime is 120111122111143. The reversal of 120111122111120 is 21111221111021.

It is a tau number, because it is divible by the number of its divisors (80).

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, 5250545 + ... + 16364304.

It is an arithmetic number, because the mean of its divisors is an integer number (3989807348040).

Almost surely, 2^{120111122111120} is an apocalyptic number.

120111122111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111122111120 is an abundant number, since it is smaller than the sum of its proper divisors (199073465732080).

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

120111122111120 is a wasteful number, since it uses less digits than its factorization.

120111122111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21624792 (or 21624786 counting only the distinct ones).

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

Adding to 120111122111120 its reverse (21111221111021), we get a palindrome (141222343222141).

The spelling of 120111122111120 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty".