22211202000221 has 16 divisors (see below), whose sum is σ = 25057797676800. Its totient is φ = 19545082135488.

The previous prime is 22211202000203. The next prime is 22211202000257. The reversal of 22211202000221 is 12200020211222.

It is a happy number.

It is not a de Polignac number, because 22211202000221 - 2¹⁰ = 22211201999197 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 22211202000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211202000121) 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 15 ways as a sum of consecutive naturals, for example, 372854111 + ... + 372913676.

It is an arithmetic number, because the mean of its divisors is an integer number (1566112354800).

Almost surely, 2^{22211202000221} is an apocalyptic number.

It is an amenable number.

22211202000221 is a deficient number, since it is larger than the sum of its proper divisors (2846595676579).

22211202000221 is a wasteful number, since it uses less digits than its factorization.

22211202000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745767908.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22211202000221 its reverse (12200020211222), we get a palindrome (34411222211443).

The spelling of 22211202000221 in words is "twenty-two trillion, two hundred eleven billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.