22012000202221 has 8 divisors (see below), whose sum is σ = 22532640878880. Its totient is φ = 21491756511792.

The previous prime is 22012000202201. The next prime is 22012000202261. The reversal of 22012000202221 is 12220200021022.

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 22012000202221 - 2³⁵ = 21977640463853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012000202195 and 22012000202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012000202201) 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, 99134350 + ... + 99356143.

It is an arithmetic number, because the mean of its divisors is an integer number (2816580109860).

Almost surely, 2^{22012000202221} is an apocalyptic number.

It is an amenable number.

22012000202221 is a deficient number, since it is larger than the sum of its proper divisors (520640676659).

22012000202221 is a wasteful number, since it uses less digits than its factorization.

22012000202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198493115.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22012000202221 its reverse (12220200021022), we get a palindrome (34232200223243).

The spelling of 22012000202221 in words is "twenty-two trillion, twelve billion, two hundred two thousand, two hundred twenty-one".