22121321233327 has 2 divisors, whose sum is σ = 22121321233328. Its totient is φ = 22121321233326.

The previous prime is 22121321233313. The next prime is 22121321233379. The reversal of 22121321233327 is 72333212312122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121321233327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22121321233292 and 22121321233301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121321233397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060660616663 + 11060660616664.

It is an arithmetic number, because the mean of its divisors is an integer number (11060660616664).

Almost surely, 2^{22121321233327} is an apocalyptic number.

22121321233327 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121321233327 is an equidigital number, since it uses as much as digits as its factorization.

22121321233327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

Adding to 22121321233327 its reverse (72333212312122), we get a palindrome (94454533545449).

The spelling of 22121321233327 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred twenty-seven".