111121300012000 has 96 divisors (see below), whose sum is σ = 275529852037440. Its totient is φ = 44040735244800.

The previous prime is 111121300011979. The next prime is 111121300012043. The reversal of 111121300012000 is 210003121111.

It is a happy number.

It is a super-2 number, since 2×111121300012000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 126996684 + ... + 127868683.

It is an arithmetic number, because the mean of its divisors is an integer number (2870102625390).

Almost surely, 2^{111121300012000} is an apocalyptic number.

111121300012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121300012000 is an abundant number, since it is smaller than the sum of its proper divisors (164408552025440).

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

111121300012000 is a wasteful number, since it uses less digits than its factorization.

111121300012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254865501 (or 254865483 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111121300012000 its reverse (210003121111), we get a palindrome (111331303133111).

The spelling of 111121300012000 in words is "one hundred eleven trillion, one hundred twenty-one billion, three hundred million, twelve thousand".