111244013 has 4 divisors (see below), whose sum is σ = 111349728. Its totient is φ = 111138300.

The previous prime is 111244009. The next prime is 111244033. The reversal of 111244013 is 310442111.

It is a happy number.

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 111244013 - 2² = 111244009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111243982 and 111244000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111244033) 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, 51263 + ... + 53388.

It is an arithmetic number, because the mean of its divisors is an integer number (27837432).

Almost surely, 2^111244013 is an apocalyptic number.

It is an amenable number.

111244013 is a deficient number, since it is larger than the sum of its proper divisors (105715).

111244013 is a wasteful number, since it uses less digits than its factorization.

111244013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105714.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111244013 is about 10547.2277400272. The cubic root of 111244013 is about 480.9414580890.

Adding to 111244013 its reverse (310442111), we get a palindrome (421686124).

The spelling of 111244013 in words is "one hundred eleven million, two hundred forty-four thousand, thirteen".