22000120122021 has 16 divisors (see below), whose sum is σ = 30609448421760. Its totient is φ = 14028793687040.

The previous prime is 22000120121983. The next prime is 22000120122031. The reversal of 22000120122021 is 12022102100022.

It is a cyclic number.

It is not a de Polignac number, because 22000120122021 - 2¹⁰ = 22000120120997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000120122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613885 + ... + 6661613.

It is an arithmetic number, because the mean of its divisors is an integer number (1913090526360).

Almost surely, 2^{22000120122021} is an apocalyptic number.

It is an amenable number.

22000120122021 is a deficient number, since it is larger than the sum of its proper divisors (8609328299739).

22000120122021 is a wasteful number, since it uses less digits than its factorization.

22000120122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100476.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22000120122021 its reverse (12022102100022), we get a palindrome (34022222222043).

The spelling of 22000120122021 in words is "twenty-two trillion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".