22100200021 has 8 divisors (see below), whose sum is σ = 22639376384. Its totient is φ = 21566729520.

The previous prime is 22100200019. The next prime is 22100200051. The reversal of 22100200021 is 12000200122.

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 22100200021 - 2¹ = 22100200019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100199980 and 22100200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100200051) 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, 1418625 + ... + 1434118.

It is an arithmetic number, because the mean of its divisors is an integer number (2829922048).

Almost surely, 2^22100200021 is an apocalyptic number.

It is an amenable number.

22100200021 is a deficient number, since it is larger than the sum of its proper divisors (539176363).

22100200021 is a wasteful number, since it uses less digits than its factorization.

22100200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852931.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22100200021 its reverse (12000200122), we get a palindrome (34100400143).

The spelling of 22100200021 in words is "twenty-two billion, one hundred million, two hundred thousand, twenty-one".