201222001202 has 16 divisors (see below), whose sum is σ = 319683152952. Its totient is φ = 94664478720.

The previous prime is 201222001163. The next prime is 201222001223. The reversal of 201222001202 is 202100222102.

It can be written as a sum of positive squares in 4 ways, for example, as 199138170001 + 2083831201 = 446249^2 + 45649^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766163 + ... + 994710.

Almost surely, 2^201222001202 is an apocalyptic number.

201222001202 is a deficient number, since it is larger than the sum of its proper divisors (118461151750).

201222001202 is a wasteful number, since it uses less digits than its factorization.

201222001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764253.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201222001202 its reverse (202100222102), we get a palindrome (403322223304).

The spelling of 201222001202 in words is "two hundred one billion, two hundred twenty-two million, one thousand, two hundred two".