111043312 has 10 divisors (see below), whose sum is σ = 215146448. Its totient is φ = 55521648.

The previous prime is 111043301. The next prime is 111043343. The reversal of 111043312 is 213340111.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 6940207 = 111043312 / (1 + 1 + 1 + 0 + 4 + 3 + 3 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470088 + ... + 3470119.

Almost surely, 2^111043312 is an apocalyptic number.

It is an amenable number.

111043312 is a deficient number, since it is larger than the sum of its proper divisors (104103136).

111043312 is an equidigital number, since it uses as much as digits as its factorization.

111043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940215 (or 6940209 counting only the distinct ones).

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

The square root of 111043312 is about 10537.7090489347. The cubic root of 111043312 is about 480.6520536347.

Adding to 111043312 its reverse (213340111), we get a palindrome (324383423).

The spelling of 111043312 in words is "one hundred eleven million, forty-three thousand, three hundred twelve".