111102121121120 has 24 divisors (see below), whose sum is σ = 262478761149024. Its totient is φ = 44440848448384.

The previous prime is 111102121121119. The next prime is 111102121121149. The reversal of 111102121121120 is 21121121201111.

It is a super-2 number, since 2×111102121121120² (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 3 ways as a sum of consecutive naturals, for example, 347194128344 + ... + 347194128663.

It is an arithmetic number, because the mean of its divisors is an integer number (10936615047876).

Almost surely, 2^{111102121121120} is an apocalyptic number.

111102121121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102121121120 is an abundant number, since it is smaller than the sum of its proper divisors (151376640027904).

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

111102121121120 is an equidigital number, since it uses as much as digits as its factorization.

111102121121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694388257022 (or 694388257014 counting only the distinct ones).

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

Adding to 111102121121120 its reverse (21121121201111), we get a palindrome (132223242322231).

The spelling of 111102121121120 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty".