13221224104211 has 4 divisors (see below), whose sum is σ = 13221255350712. Its totient is φ = 13221192857712.

The previous prime is 13221224104183. The next prime is 13221224104217. The reversal of 13221224104211 is 11240142212231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13221224104211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221224104217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14979725 + ... + 15837758.

It is an arithmetic number, because the mean of its divisors is an integer number (3305313837678).

Almost surely, 2^{13221224104211} is an apocalyptic number.

13221224104211 is a deficient number, since it is larger than the sum of its proper divisors (31246501).

13221224104211 is an equidigital number, since it uses as much as digits as its factorization.

13221224104211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31246500.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 13221224104211 its reverse (11240142212231), we get a palindrome (24461366316442).

The spelling of 13221224104211 in words is "thirteen trillion, two hundred twenty-one billion, two hundred twenty-four million, one hundred four thousand, two hundred eleven".