111044013 has 4 divisors (see below), whose sum is σ = 148058688. Its totient is φ = 74029340.

The previous prime is 111043979. The next prime is 111044057. The reversal of 111044013 is 310440111.

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 111044013 - 2¹⁰ = 111042989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111043983 and 111044001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111044093) 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, 18507333 + ... + 18507338.

It is an arithmetic number, because the mean of its divisors is an integer number (37014672).

Almost surely, 2^111044013 is an apocalyptic number.

It is an amenable number.

111044013 is a deficient number, since it is larger than the sum of its proper divisors (37014675).

111044013 is an equidigital number, since it uses as much as digits as its factorization.

111044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37014674.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 111044013 is about 10537.7423103813. The cubic root of 111044013 is about 480.6530650610.

Adding to 111044013 its reverse (310440111), we get a palindrome (421484124).

It can be divided in two parts, 11104401 and 3, that multiplied together give a triangular number (33313203 = T₈₁₆₂).

The spelling of 111044013 in words is "one hundred eleven million, forty-four thousand, thirteen".