111493100 has 18 divisors (see below), whose sum is σ = 241940244. Its totient is φ = 44597200.

The previous prime is 111493091. The next prime is 111493147. The reversal of 111493100 is 1394111.

It is a super-2 number, since 2×111493100² = 24861422695220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557366 + ... + 557565.

Almost surely, 2^111493100 is an apocalyptic number.

111493100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111493100 is an abundant number, since it is smaller than the sum of its proper divisors (130447144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111493100 is a wasteful number, since it uses less digits than its factorization.

111493100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114945 (or 1114938 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 111493100 is about 10559.0293114471. The cubic root of 111493100 is about 481.3001499433.

The spelling of 111493100 in words is "one hundred eleven million, four hundred ninety-three thousand, one hundred".