22100122210121 has 8 divisors (see below), whose sum is σ = 22396293560160. Its totient is φ = 21805014312928.

The previous prime is 22100122210099. The next prime is 22100122210141. The reversal of 22100122210121 is 12101222100122.

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 22100122210121 - 2³⁰ = 22099048468297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100122210121.

It is not an unprimeable number, because it can be changed into a prime (22100122210141) 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, 265821371 + ... + 265904496.

It is an arithmetic number, because the mean of its divisors is an integer number (2799536695020).

Almost surely, 2^{22100122210121} is an apocalyptic number.

It is an amenable number.

22100122210121 is a deficient number, since it is larger than the sum of its proper divisors (296171350039).

22100122210121 is an equidigital number, since it uses as much as digits as its factorization.

22100122210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531726423.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22100122210121 its reverse (12101222100122), we get a palindrome (34201344310243).

It can be divided in two parts, 22100 and 122210121, that added together give a palindrome (122232221).

The spelling of 22100122210121 in words is "twenty-two trillion, one hundred billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-one".