120111102112100 has 36 divisors (see below), whose sum is σ = 284335736275248. Its totient is φ = 43676764404000.

The previous prime is 120111102112021. The next prime is 120111102112151. The reversal of 120111102112100 is 1211201111021.

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, 54595954406 + ... + 54595956605.

Almost surely, 2^{120111102112100} is an apocalyptic number.

120111102112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111102112100 is an abundant number, since it is smaller than the sum of its proper divisors (164224634163148).

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

120111102112100 is a wasteful number, since it uses less digits than its factorization.

120111102112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109191911036 (or 109191911029 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 120111102112100 its reverse (1211201111021), we get a palindrome (121322303223121).

The spelling of 120111102112100 in words is "one hundred twenty trillion, one hundred eleven billion, one hundred two million, one hundred twelve thousand, one hundred".