22100010121021 has 8 divisors (see below), whose sum is σ = 26071901341184. Its totient is φ = 18331805630160.

The previous prime is 22100010120997. The next prime is 22100010121061. The reversal of 22100010121021 is 12012101000122.

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 22100010121021 - 2⁹ = 22100010120509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100010120992 and 22100010121010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100010121061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50921682090 + ... + 50921682523.

It is an arithmetic number, because the mean of its divisors is an integer number (3258987667648).

Almost surely, 2^{22100010121021} is an apocalyptic number.

It is an amenable number.

22100010121021 is a deficient number, since it is larger than the sum of its proper divisors (3971891220163).

22100010121021 is a wasteful number, since it uses less digits than its factorization.

22100010121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101843364651.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22100010121021 its reverse (12012101000122), we get a palindrome (34112111121143).

The spelling of 22100010121021 in words is "twenty-two trillion, one hundred billion, ten million, one hundred twenty-one thousand, twenty-one".