201221133001202 has 16 divisors (see below), whose sum is σ = 304690046019480. Its totient is φ = 99658325227392.

The previous prime is 201221133001199. The next prime is 201221133001247. The reversal of 201221133001202 is 202100331122102.

It can be written as a sum of positive squares in 4 ways, for example, as 174313373322841 + 26907759678361 = 13202779^2 + 5187269^2 .

It is an unprimeable number.

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, 134479043 + ... + 135967110.

Almost surely, 2^{201221133001202} is an apocalyptic number.

201221133001202 is a deficient number, since it is larger than the sum of its proper divisors (103468913018278).

201221133001202 is a wasteful number, since it uses less digits than its factorization.

201221133001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270449677.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 201221133001202 its reverse (202100331122102), we get a palindrome (403321464123304).

The spelling of 201221133001202 in words is "two hundred one trillion, two hundred twenty-one billion, one hundred thirty-three million, one thousand, two hundred two".