111373228 has 12 divisors (see below), whose sum is σ = 194997600. Its totient is φ = 55659632.

The previous prime is 111373217. The next prime is 111373243. The reversal of 111373228 is 822373111.

It is a junction number, because it is equal to n+sod(n) for n = 111373196 and 111373205.

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, 4698 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (16249800).

Almost surely, 2^111373228 is an apocalyptic number.

It is an amenable number.

111373228 is a deficient number, since it is larger than the sum of its proper divisors (83624372).

111373228 is a wasteful number, since it uses less digits than its factorization.

111373228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496 (or 13494 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 111373228 is about 10553.3515055645. The cubic root of 111373228 is about 481.1275978581.

It can be divided in two parts, 11137 and 3228, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 111373228 in words is "one hundred eleven million, three hundred seventy-three thousand, two hundred twenty-eight".