111113001 has 24 divisors (see below), whose sum is σ = 164565440. Its totient is φ = 72220896.

The previous prime is 111112987. The next prime is 111113011. The reversal of 111113001 is 100311111.

It is not a de Polignac number, because 111113001 - 2⁷ = 111112873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61215 + ... + 63003.

Almost surely, 2^111113001 is an apocalyptic number.

It is an amenable number.

111113001 is a deficient number, since it is larger than the sum of its proper divisors (53452439).

111113001 is a wasteful number, since it uses less digits than its factorization.

111113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 111113001 is about 10541.0151788146. The cubic root of 111113001 is about 480.7525824451.

Adding to 111113001 its reverse (100311111), we get a palindrome (211424112).

The spelling of 111113001 in words is "one hundred eleven million, one hundred thirteen thousand, one".