13013303210221 has 4 divisors (see below), whose sum is σ = 13025274971392. Its totient is φ = 13001331449052.

The previous prime is 13013303210203. The next prime is 13013303210233. The reversal of 13013303210221 is 12201230331031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13013303210221 - 2¹⁷ = 13013303079149 is a prime.

It is a super-2 number, since 2×13013303210221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13013303210192 and 13013303210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013303210291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5985878955 + ... + 5985881128.

It is an arithmetic number, because the mean of its divisors is an integer number (3256318742848).

Almost surely, 2^{13013303210221} is an apocalyptic number.

It is an amenable number.

13013303210221 is a deficient number, since it is larger than the sum of its proper divisors (11971761171).

13013303210221 is a wasteful number, since it uses less digits than its factorization.

13013303210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11971761170.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13013303210221 its reverse (12201230331031), we get a palindrome (25214533541252).

The spelling of 13013303210221 in words is "thirteen trillion, thirteen billion, three hundred three million, two hundred ten thousand, two hundred twenty-one".