111322112 has 44 divisors (see below), whose sum is σ = 242790576. Its totient is φ = 50595840.

The previous prime is 111322087. The next prime is 111322129. The reversal of 111322112 is 211223111.

It is a tau number, because it is divible by the number of its divisors (44).

It is a super-2 number, since 2×111322112² = 24785225240281088, which contains 22 as substring.

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, 6323 + ... + 16205.

Almost surely, 2^111322112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121395288).

111322112 is an abundant number, since it is smaller than the sum of its proper divisors (131468464).

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

111322112 is an equidigital number, since it uses as much as digits as its factorization.

111322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9914 (or 9896 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 111322112 is about 10550.9294377320. The cubic root of 111322112 is about 481.0539802806.

Adding to 111322112 its reverse (211223111), we get a palindrome (322545223).

Subtracting 111322112 from its reverse (211223111), we obtain a palindrome (99900999).

It can be divided in two parts, 111 and 322112, that added together give a palindrome (322223).

The spelling of 111322112 in words is "one hundred eleven million, three hundred twenty-two thousand, one hundred twelve".