202221211111202 has 16 divisors (see below), whose sum is σ = 303718272633720. Its totient is φ = 100981791800448.

The previous prime is 202221211111169. The next prime is 202221211111229. The reversal of 202221211111202 is 202111112122202.

It can be written as a sum of positive squares in 4 ways, for example, as 155778880661881 + 46442330449321 = 12481141^2 + 6814861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83183324 + ... + 85579832.

Almost surely, 2^{202221211111202} is an apocalyptic number.

202221211111202 is a deficient number, since it is larger than the sum of its proper divisors (101497061522518).

202221211111202 is a wasteful number, since it uses less digits than its factorization.

202221211111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450245.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202221211111202 its reverse (202111112122202), we get a palindrome (404332323233404).

The spelling of 202221211111202 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred eleven thousand, two hundred two".