11333221320013 has 4 divisors (see below), whose sum is σ = 11380640656320. Its totient is φ = 11285801983708.

The previous prime is 11333221319983. The next prime is 11333221320019. The reversal of 11333221320013 is 31002312233311.

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 11333221320013 - 2¹⁷ = 11333221188941 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 11333221320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333221320019) 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, 23709667795 + ... + 23709668272.

It is an arithmetic number, because the mean of its divisors is an integer number (2845160164080).

Almost surely, 2^{11333221320013} is an apocalyptic number.

It is an amenable number.

11333221320013 is a deficient number, since it is larger than the sum of its proper divisors (47419336307).

11333221320013 is an equidigital number, since it uses as much as digits as its factorization.

11333221320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47419336306.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11333221320013 its reverse (31002312233311), we get a palindrome (42335533553324).

The spelling of 11333221320013 in words is "eleven trillion, three hundred thirty-three billion, two hundred twenty-one million, three hundred twenty thousand, thirteen".