21010112232013 has 8 divisors (see below), whose sum is σ = 21276772484480. Its totient is φ = 20743469716320.

The previous prime is 21010112231963. The next prime is 21010112232071. The reversal of 21010112232013 is 31023221101012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21010112232013 - 2⁹ = 21010112231501 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 (21010112232413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041920 + ... + 6796297.

It is an arithmetic number, because the mean of its divisors is an integer number (2659596560560).

Almost surely, 2^{21010112232013} is an apocalyptic number.

It is an amenable number.

21010112232013 is a deficient number, since it is larger than the sum of its proper divisors (266660252467).

21010112232013 is an equidigital number, since it uses as much as digits as its factorization.

21010112232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868387.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21010112232013 its reverse (31023221101012), we get a palindrome (52033333333025).

The spelling of 21010112232013 in words is "twenty-one trillion, ten billion, one hundred twelve million, two hundred thirty-two thousand, thirteen".