111427112 has 16 divisors (see below), whose sum is σ = 221215860. Its totient is φ = 52436224.

The previous prime is 111427109. The next prime is 111427123. The reversal of 111427112 is 211724111.

It can be written as a sum of positive squares in 2 ways, for example, as 110796676 + 630436 = 10526^2 + 794^2 .

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, 409523 + ... + 409794.

Almost surely, 2^111427112 is an apocalyptic number.

It is an amenable number.

111427112 is a deficient number, since it is larger than the sum of its proper divisors (109788748).

111427112 is a wasteful number, since it uses less digits than its factorization.

111427112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819340 (or 819336 counting only the distinct ones).

The product of its digits is 112, while the sum is 20.

The square root of 111427112 is about 10555.9041299171. The cubic root of 111427112 is about 481.2051775425.

The spelling of 111427112 in words is "one hundred eleven million, four hundred twenty-seven thousand, one hundred twelve".