111230013 has 4 divisors (see below), whose sum is σ = 148306688. Its totient is φ = 74153340.

The previous prime is 111230011. The next prime is 111230033. The reversal of 111230013 is 310032111.

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 not a de Polignac number, because 111230013 - 2¹ = 111230011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230011) 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, 18538333 + ... + 18538338.

It is an arithmetic number, because the mean of its divisors is an integer number (37076672).

Almost surely, 2^111230013 is an apocalyptic number.

It is an amenable number.

111230013 is a deficient number, since it is larger than the sum of its proper divisors (37076675).

111230013 is an equidigital number, since it uses as much as digits as its factorization.

111230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37076674.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 111230013 is about 10546.5640376380. The cubic root of 111230013 is about 480.9212818335.

Adding to 111230013 its reverse (310032111), we get a palindrome (421262124).

It can be divided in two parts, 1112 and 30013, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 111230013 in words is "one hundred eleven million, two hundred thirty thousand, thirteen".