13321222202221 has 8 divisors (see below), whose sum is σ = 14104860989760. Its totient is φ = 12537587579328.

The previous prime is 13321222202219. The next prime is 13321222202227. The reversal of 13321222202221 is 12220222212331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13321222202221 - 2¹ = 13321222202219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321222202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7587520 + ... + 9176758.

It is an arithmetic number, because the mean of its divisors is an integer number (1763107623720).

Almost surely, 2^{13321222202221} is an apocalyptic number.

It is an amenable number.

13321222202221 is a deficient number, since it is larger than the sum of its proper divisors (783638787539).

13321222202221 is a wasteful number, since it uses less digits than its factorization.

13321222202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082323.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13321222202221 its reverse (12220222212331), we get a palindrome (25541444414552).

The spelling of 13321222202221 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-one".