13220433001321 has 24 divisors (see below), whose sum is σ = 16694596924800. Its totient is φ = 10460122768368.

The previous prime is 13220433001301. The next prime is 13220433001361. The reversal of 13220433001321 is 12310033402231.

It is not a de Polignac number, because 13220433001321 - 2¹³ = 13220432993129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220433001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113976165 + ... + 114092098.

It is an arithmetic number, because the mean of its divisors is an integer number (695608205200).

Almost surely, 2^{13220433001321} is an apocalyptic number.

It is an amenable number.

13220433001321 is a deficient number, since it is larger than the sum of its proper divisors (3474163923479).

13220433001321 is an equidigital number, since it uses as much as digits as its factorization.

13220433001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228068310 (or 228068283 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13220433001321 its reverse (12310033402231), we get a palindrome (25530466403552).

The spelling of 13220433001321 in words is "thirteen trillion, two hundred twenty billion, four hundred thirty-three million, one thousand, three hundred twenty-one".