111223112 has 256 divisors, whose sum is σ = 319334400. Its totient is φ = 34836480.

The previous prime is 111223109. The next prime is 111223121. The reversal of 111223112 is 211322111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2586563 + ... + 2586605.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^111223112 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 111223112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159667200).

111223112 is an abundant number, since it is smaller than the sum of its proper divisors (208111288).

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

111223112 is a wasteful number, since it uses less digits than its factorization.

111223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 112 counting only the distinct ones).

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

The square root of 111223112 is about 10546.2368643986. The cubic root of 111223112 is about 480.9113357578.

Adding to 111223112 its reverse (211322111), we get a palindrome (322545223).

The spelling of 111223112 in words is "one hundred eleven million, two hundred twenty-three thousand, one hundred twelve".