111112220120 has 32 divisors (see below), whose sum is σ = 272729995920. Its totient is φ = 40404443520.

The previous prime is 111112220119. The next prime is 111112220123. The reversal of 111112220120 is 21022211111.

It is a junction number, because it is equal to n+sod(n) for n = 111112220095 and 111112220104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112220123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126263447 + ... + 126264326.

Almost surely, 2^111112220120 is an apocalyptic number.

111112220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111112220120 is an abundant number, since it is smaller than the sum of its proper divisors (161617775800).

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

111112220120 is a wasteful number, since it uses less digits than its factorization.

111112220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252527795 (or 252527791 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111112220120 its reverse (21022211111), we get a palindrome (132134431231).

Subtracting from 111112220120 its reverse (21022211111), we obtain a palindrome (90090009009).

The spelling of 111112220120 in words is "one hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty".