13221033113 has 4 divisors (see below), whose sum is σ = 13445118480. Its totient is φ = 12996947748.

The previous prime is 13221033041. The next prime is 13221033173. The reversal of 13221033113 is 31133012231.

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 13221033113 - 2¹⁴ = 13221016729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221033173) 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, 112042595 + ... + 112042712.

It is an arithmetic number, because the mean of its divisors is an integer number (3361279620).

Almost surely, 2^13221033113 is an apocalyptic number.

It is an amenable number.

13221033113 is a deficient number, since it is larger than the sum of its proper divisors (224085367).

13221033113 is an equidigital number, since it uses as much as digits as its factorization.

13221033113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224085366.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13221033113 its reverse (31133012231), we get a palindrome (44354045344).

The spelling of 13221033113 in words is "thirteen billion, two hundred twenty-one million, thirty-three thousand, one hundred thirteen".