111223312 has 20 divisors (see below), whose sum is σ = 215708416. Its totient is φ = 55556640.

The previous prime is 111223303. The next prime is 111223339. The reversal of 111223312 is 213322111.

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

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, 16873 + ... + 22519.

Almost surely, 2^111223312 is an apocalyptic number.

It is an amenable number.

111223312 is a deficient number, since it is larger than the sum of its proper divisors (104485104).

111223312 is a wasteful number, since it uses less digits than its factorization.

111223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886 (or 6880 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 111223312 is about 10546.2463464495. The cubic root of 111223312 is about 480.9116240139.

Adding to 111223312 its reverse (213322111), we get a palindrome (324545423).

The spelling of 111223312 in words is "one hundred eleven million, two hundred twenty-three thousand, three hundred twelve".