10111112232013 has 4 divisors (see below), whose sum is σ = 10888890096028. Its totient is φ = 9333334368000.

The previous prime is 10111112231989. The next prime is 10111112232017. The reversal of 10111112232013 is 31023221111101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1518223194244 + 8592889037769 = 1232162^2 + 2931363^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111112232013 - 2⁵ = 10111112231981 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 (10111112232017) 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 3 ways as a sum of consecutive naturals, for example, 388888931988 + ... + 388888932013.

It is an arithmetic number, because the mean of its divisors is an integer number (2722222524007).

Almost surely, 2^{10111112232013} is an apocalyptic number.

10111112232013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10111112232013 is a deficient number, since it is larger than the sum of its proper divisors (777777864015).

10111112232013 is an equidigital number, since it uses as much as digits as its factorization.

10111112232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777777864014.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10111112232013 its reverse (31023221111101), we get a palindrome (41134333343114).

The spelling of 10111112232013 in words is "ten trillion, one hundred eleven billion, one hundred twelve million, two hundred thirty-two thousand, thirteen".