202221021100222 has 64 divisors (see below), whose sum is σ = 328641557022720. Its totient is φ = 92958257880576.

The previous prime is 202221021100211. The next prime is 202221021100237. The reversal of 202221021100222 is 222001120122202.

It is a self number, because there is not a number n which added to its sum of digits gives 202221021100222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10826106679 + ... + 10826125357.

It is an arithmetic number, because the mean of its divisors is an integer number (5135024328480).

Almost surely, 2^{202221021100222} is an apocalyptic number.

202221021100222 is a deficient number, since it is larger than the sum of its proper divisors (126420535922498).

202221021100222 is a wasteful number, since it uses less digits than its factorization.

202221021100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31465.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202221021100222 its reverse (222001120122202), we get a palindrome (424222141222424).

The spelling of 202221021100222 in words is "two hundred two trillion, two hundred twenty-one billion, twenty-one million, one hundred thousand, two hundred twenty-two".