201221011002201 has 16 divisors (see below), whose sum is σ = 287499332522304. Its totient is φ = 124735160136704.

The previous prime is 201221011002191. The next prime is 201221011002203. The reversal of 201221011002201 is 102200110122102.

201221011002201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 201221011002201 - 2²⁹ = 201220474131289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201221011002203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23768128416 + ... + 23768136881.

It is an arithmetic number, because the mean of its divisors is an integer number (17968708282644).

Almost surely, 2^{201221011002201} is an apocalyptic number.

It is an amenable number.

201221011002201 is a deficient number, since it is larger than the sum of its proper divisors (86278321520103).

201221011002201 is a wasteful number, since it uses less digits than its factorization.

201221011002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47536265400.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201221011002201 its reverse (102200110122102), we get a palindrome (303421121124303).

The spelling of 201221011002201 in words is "two hundred one trillion, two hundred twenty-one billion, eleven million, two thousand, two hundred one".