201200122220201 has 16 divisors (see below), whose sum is σ = 218086165370304. Its totient is φ = 184515695267904.

The previous prime is 201200122220183. The next prime is 201200122220233. The reversal of 201200122220201 is 102022221002102.

It is a happy number.

It is not a de Polignac number, because 201200122220201 - 2²⁶ = 201200055111337 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 201200122220201.

It is not an unprimeable number, because it can be changed into a prime (201200122220501) 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, 8802590 + ... + 21906296.

It is an arithmetic number, because the mean of its divisors is an integer number (13630385335644).

Almost surely, 2^{201200122220201} is an apocalyptic number.

It is an amenable number.

201200122220201 is a deficient number, since it is larger than the sum of its proper divisors (16886043150103).

201200122220201 is a wasteful number, since it uses less digits than its factorization.

201200122220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111400.

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

Adding to 201200122220201 its reverse (102022221002102), we get a palindrome (303222343222303).

The spelling of 201200122220201 in words is "two hundred one trillion, two hundred billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".