111320224 has 24 divisors (see below), whose sum is σ = 220213728. Its totient is φ = 55392960.

The previous prime is 111320203. The next prime is 111320239. The reversal of 111320224 is 422023111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111320198 and 111320207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492 + ... + 14995.

It is an arithmetic number, because the mean of its divisors is an integer number (9175572).

Almost surely, 2^111320224 is an apocalyptic number.

It is an amenable number.

111320224 is a deficient number, since it is larger than the sum of its proper divisors (108893504).

111320224 is a wasteful number, since it uses less digits than its factorization.

111320224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16708 (or 16700 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111320224 is about 10550.8399665619. The cubic root of 111320224 is about 481.0512607399.

Adding to 111320224 its reverse (422023111), we get a palindrome (533343335).

The spelling of 111320224 in words is "one hundred eleven million, three hundred twenty thousand, two hundred twenty-four".