22121200323021 has 8 divisors (see below), whose sum is σ = 29755950877440. Its totient is φ = 14616958325312.

The previous prime is 22121200323011. The next prime is 22121200323049. The reversal of 22121200323021 is 12032300212122.

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 22121200323021 - 2⁵ = 22121200322989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121200323011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32627138781 + ... + 32627139458.

It is an arithmetic number, because the mean of its divisors is an integer number (3719493859680).

Almost surely, 2^{22121200323021} is an apocalyptic number.

It is an amenable number.

22121200323021 is a deficient number, since it is larger than the sum of its proper divisors (7634750554419).

22121200323021 is a wasteful number, since it uses less digits than its factorization.

22121200323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65254278355.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22121200323021 its reverse (12032300212122), we get a palindrome (34153500535143).

The spelling of 22121200323021 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred million, three hundred twenty-three thousand, twenty-one".