13321213223021 has 8 divisors (see below), whose sum is σ = 14736911940288. Its totient is φ = 11939627728000.

The previous prime is 13321213223009. The next prime is 13321213223039. The reversal of 13321213223021 is 12032231212331.

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 13321213223021 - 2¹⁰ = 13321213221997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321213223221) 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, 8528304740 + ... + 8528306301.

It is an arithmetic number, because the mean of its divisors is an integer number (1842113992536).

Almost surely, 2^{13321213223021} is an apocalyptic number.

13321213223021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13321213223021 is a deficient number, since it is larger than the sum of its proper divisors (1415698717267).

13321213223021 is a wasteful number, since it uses less digits than its factorization.

13321213223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17056611123.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13321213223021 its reverse (12032231212331), we get a palindrome (25353444435352).

The spelling of 13321213223021 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirteen million, two hundred twenty-three thousand, twenty-one".