13013203210021 has 16 divisors (see below), whose sum is σ = 15223903395840. Its totient is φ = 10891522085040.

The previous prime is 13013203210019. The next prime is 13013203210031. The reversal of 13013203210021 is 12001230231031.

It is a cyclic number.

It is not a de Polignac number, because 13013203210021 - 2¹ = 13013203210019 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 (13013203210031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45744291 + ... + 46027888.

It is an arithmetic number, because the mean of its divisors is an integer number (951493962240).

Almost surely, 2^{13013203210021} is an apocalyptic number.

It is an amenable number.

13013203210021 is a deficient number, since it is larger than the sum of its proper divisors (2210700185819).

13013203210021 is an equidigital number, since it uses as much as digits as its factorization.

13013203210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91772664.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13013203210021 its reverse (12001230231031), we get a palindrome (25014433441052).

The spelling of 13013203210021 in words is "thirteen trillion, thirteen billion, two hundred three million, two hundred ten thousand, twenty-one".