111020102013 has 16 divisors (see below), whose sum is σ = 149921300480. Its totient is φ = 73066412016.

The previous prime is 111020102009. The next prime is 111020102023. The reversal of 111020102013 is 310201020111.

It is not a de Polignac number, because 111020102013 - 2² = 111020102009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111020102013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935756 + ... + 1992282.

It is an arithmetic number, because the mean of its divisors is an integer number (9370081280).

Almost surely, 2^111020102013 is an apocalyptic number.

It is an amenable number.

111020102013 is a deficient number, since it is larger than the sum of its proper divisors (38901198467).

111020102013 is an equidigital number, since it uses as much as digits as its factorization.

111020102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64896.

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

Adding to 111020102013 its reverse (310201020111), we get a palindrome (421221122124).

The spelling of 111020102013 in words is "one hundred eleven billion, twenty million, one hundred two thousand, thirteen".