111200013 has 8 divisors (see below), whose sum is σ = 164740800. Its totient is φ = 74133324.

The previous prime is 111200003. The next prime is 111200053. The reversal of 111200013 is 310002111.

It is not a de Polignac number, because 111200013 - 2⁵ = 111199981 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 111199968 and 111200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059233 + ... + 2059286.

It is an arithmetic number, because the mean of its divisors is an integer number (20592600).

Almost surely, 2^111200013 is an apocalyptic number.

It is an amenable number.

111200013 is a deficient number, since it is larger than the sum of its proper divisors (53540787).

111200013 is an equidigital number, since it uses as much as digits as its factorization.

111200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118528 (or 4118522 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 111200013 is about 10545.1416775689. The cubic root of 111200013 is about 480.8780412987.

Adding to 111200013 its reverse (310002111), we get a palindrome (421202124).

The spelling of 111200013 in words is "one hundred eleven million, two hundred thousand, thirteen".