111001112120 has 16 divisors (see below), whose sum is σ = 249752502360. Its totient is φ = 44400444832.

The previous prime is 111001112119. The next prime is 111001112227. The reversal of 111001112120 is 21211100111.

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, 1387513862 + ... + 1387513941.

Almost surely, 2^111001112120 is an apocalyptic number.

111001112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001112120 is an abundant number, since it is smaller than the sum of its proper divisors (138751390240).

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

111001112120 is a wasteful number, since it uses less digits than its factorization.

111001112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775027814 (or 2775027810 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111001112120 its reverse (21211100111), we get a palindrome (132212212231).

The spelling of 111001112120 in words is "one hundred eleven billion, one million, one hundred twelve thousand, one hundred twenty".