13120113002221 has 4 divisors (see below), whose sum is σ = 13120250753344. Its totient is φ = 13119975251100.

The previous prime is 13120113002209. The next prime is 13120113002251. The reversal of 13120113002221 is 12220031102131.

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 13120113002221 - 2⁵ = 13120113002189 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 (13120113002251) 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, 68732595 + ... + 68923216.

It is an arithmetic number, because the mean of its divisors is an integer number (3280062688336).

Almost surely, 2^{13120113002221} is an apocalyptic number.

It is an amenable number.

13120113002221 is a deficient number, since it is larger than the sum of its proper divisors (137751123).

13120113002221 is an equidigital number, since it uses as much as digits as its factorization.

13120113002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137751122.

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

Adding to 13120113002221 its reverse (12220031102131), we get a palindrome (25340144104352).

The spelling of 13120113002221 in words is "thirteen trillion, one hundred twenty billion, one hundred thirteen million, two thousand, two hundred twenty-one".