22121313411321 has 16 divisors (see below), whose sum is σ = 32796395805120. Its totient is φ = 14736706436160.

The previous prime is 22121313411319. The next prime is 22121313411347. The reversal of 22121313411321 is 12311431312122.

22121313411321 is a `hidden beast` number, since 2 + 2 + 1 + 21 + 313 + 4 + 1 + 1 + 321 = 666.

It is not a de Polignac number, because 22121313411321 - 2¹ = 22121313411319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22121313411311) 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 15 ways as a sum of consecutive naturals, for example, 300958075 + ... + 301031568.

It is an arithmetic number, because the mean of its divisors is an integer number (2049774737820).

Almost surely, 2^{22121313411321} is an apocalyptic number.

It is an amenable number.

22121313411321 is a deficient number, since it is larger than the sum of its proper divisors (10675082393799).

22121313411321 is a wasteful number, since it uses less digits than its factorization.

22121313411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601991013 (or 601991007 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 22121313411321 its reverse (12311431312122), we get a palindrome (34432744723443).

The spelling of 22121313411321 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred thirteen million, four hundred eleven thousand, three hundred twenty-one".