201222000212201 has 4 divisors (see below), whose sum is σ = 204225313648272. Its totient is φ = 198218686776132.

The previous prime is 201222000212113. The next prime is 201222000212231. The reversal of 201222000212201 is 102212000222102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201222000212201 - 2²⁶ = 201221933103337 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 201222000212201.

It is not an unprimeable number, because it can be changed into a prime (201222000212231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501656717935 + ... + 1501656718068.

It is an arithmetic number, because the mean of its divisors is an integer number (51056328412068).

Almost surely, 2^{201222000212201} is an apocalyptic number.

It is an amenable number.

201222000212201 is a deficient number, since it is larger than the sum of its proper divisors (3003313436071).

201222000212201 is an equidigital number, since it uses as much as digits as its factorization.

201222000212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003313436070.

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

Adding to 201222000212201 its reverse (102212000222102), we get a palindrome (303434000434303).

Subtracting from 201222000212201 its reverse (102212000222102), we obtain a palindrome (99009999990099).

The spelling of 201222000212201 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twelve thousand, two hundred one".