111011013 has 8 divisors (see below), whose sum is σ = 164460800. Its totient is φ = 74007324.

The previous prime is 111010979. The next prime is 111011029. The reversal of 111011013 is 310110111.

It is not a de Polignac number, because 111011013 - 2²⁵ = 77456581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111010986 and 111011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055733 + ... + 2055786.

It is an arithmetic number, because the mean of its divisors is an integer number (20557600).

Almost surely, 2^111011013 is an apocalyptic number.

It is an amenable number.

111011013 is a deficient number, since it is larger than the sum of its proper divisors (53449787).

111011013 is an equidigital number, since it uses as much as digits as its factorization.

111011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111528 (or 4111522 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 111011013 is about 10536.1763937398. The cubic root of 111011013 is about 480.6054469373.

Adding to 111011013 its reverse (310110111), we get a palindrome (421121124).

The spelling of 111011013 in words is "one hundred eleven million, eleven thousand, thirteen".