111830113 has 4 divisors (see below), whose sum is σ = 115437568. Its totient is φ = 108222660.

The previous prime is 111830099. The next prime is 111830137. The reversal of 111830113 is 311038111.

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 111830113 - 2¹³ = 111821921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111830513) 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, 1803681 + ... + 1803742.

It is an arithmetic number, because the mean of its divisors is an integer number (28859392).

Almost surely, 2^111830113 is an apocalyptic number.

It is an amenable number.

111830113 is a deficient number, since it is larger than the sum of its proper divisors (3607455).

111830113 is an equidigital number, since it uses as much as digits as its factorization.

111830113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607454.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 111830113 is about 10574.9757919345. The cubic root of 111830113 is about 481.7846081690.

Adding to 111830113 its reverse (311038111), we get a palindrome (422868224).

The spelling of 111830113 in words is "one hundred eleven million, eight hundred thirty thousand, one hundred thirteen".