201020220122201 has 16 divisors (see below), whose sum is σ = 212471880192000. Its totient is φ = 189656182307088.

The previous prime is 201020220122171. The next prime is 201020220122203. The reversal of 201020220122201 is 102221022020102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-201020220122201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201020220122201.

It is not an unprimeable number, because it can be changed into a prime (201020220122203) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9474350 + ... + 22176648.

It is an arithmetic number, because the mean of its divisors is an integer number (13279492512000).

Almost surely, 2^{201020220122201} is an apocalyptic number.

It is an amenable number.

201020220122201 is a deficient number, since it is larger than the sum of its proper divisors (11451660069799).

201020220122201 is a wasteful number, since it uses less digits than its factorization.

201020220122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12705748.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201020220122201 its reverse (102221022020102), we get a palindrome (303241242142303).

The spelling of 201020220122201 in words is "two hundred one trillion, twenty billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".