13002002112221 has 4 divisors (see below), whose sum is σ = 13002011360832. Its totient is φ = 13001992863612.

The previous prime is 13002002112133. The next prime is 13002002112227. The reversal of 13002002112221 is 12221120020031.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13002002112221 - 2³⁴ = 12984822243037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13002002112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002002112227) 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, 2030651 + ... + 5488856.

It is an arithmetic number, because the mean of its divisors is an integer number (3250502840208).

Almost surely, 2^{13002002112221} is an apocalyptic number.

It is an amenable number.

13002002112221 is a deficient number, since it is larger than the sum of its proper divisors (9248611).

13002002112221 is an equidigital number, since it uses as much as digits as its factorization.

13002002112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248610.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13002002112221 its reverse (12221120020031), we get a palindrome (25223122132252).

The spelling of 13002002112221 in words is "thirteen trillion, two billion, two million, one hundred twelve thousand, two hundred twenty-one".