111112224 has 96 divisors (see below), whose sum is σ = 305363520. Its totient is φ = 35331072.

The previous prime is 111112219. The next prime is 111112237. The reversal of 111112224 is 422211111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297702 + ... + 298074.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^111112224 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 111112224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152681760).

111112224 is an abundant number, since it is smaller than the sum of its proper divisors (194251296).

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

111112224 is a wasteful number, since it uses less digits than its factorization.

111112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 514 counting only the distinct ones).

The product of its digits is 32, while the sum is 15.

The square root of 111112224 is about 10540.9783227175. The cubic root of 111112224 is about 480.7514618273.

Adding to 111112224 its reverse (422211111), we get a palindrome (533323335).

The spelling of 111112224 in words is "one hundred eleven million, one hundred twelve thousand, two hundred twenty-four".