13221013013401 has 4 divisors (see below), whose sum is σ = 13916855803600. Its totient is φ = 12525170223204.

The previous prime is 13221013013371. The next prime is 13221013013423. The reversal of 13221013013401 is 10431031012231.

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 a de Polignac number, because none of the positive numbers 2^k-13221013013401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221013013101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347921395071 + ... + 347921395108.

It is an arithmetic number, because the mean of its divisors is an integer number (3479213950900).

Almost surely, 2^{13221013013401} is an apocalyptic number.

It is an amenable number.

13221013013401 is a deficient number, since it is larger than the sum of its proper divisors (695842790199).

13221013013401 is an equidigital number, since it uses as much as digits as its factorization.

13221013013401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695842790198.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13221013013401 its reverse (10431031012231), we get a palindrome (23652044025632).

The spelling of 13221013013401 in words is "thirteen trillion, two hundred twenty-one billion, thirteen million, thirteen thousand, four hundred one".