111204113 has 4 divisors (see below), whose sum is σ = 112611840. Its totient is φ = 109796388.

The previous prime is 111204073. The next prime is 111204139. The reversal of 111204113 is 311402111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111204113 - 2¹⁰ = 111203089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111204713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703745 + ... + 703902.

It is an arithmetic number, because the mean of its divisors is an integer number (28152960).

Almost surely, 2^111204113 is an apocalyptic number.

It is an amenable number.

111204113 is a deficient number, since it is larger than the sum of its proper divisors (1407727).

111204113 is an equidigital number, since it uses as much as digits as its factorization.

111204113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407726.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111204113 is about 10545.3360780963. The cubic root of 111204113 is about 480.8839512972.

Adding to 111204113 its reverse (311402111), we get a palindrome (422606224).

The spelling of 111204113 in words is "one hundred eleven million, two hundred four thousand, one hundred thirteen".