201122201111122 has 8 divisors (see below), whose sum is σ = 301683802073472. Its totient is φ = 100560933753300.

The previous prime is 201122201111107. The next prime is 201122201111129. The reversal of 201122201111122 is 221111102221102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201122201111122.

It is not an unprimeable number, because it can be changed into a prime (201122201111129) 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, 81888454 + ... + 84308737.

It is an arithmetic number, because the mean of its divisors is an integer number (37710475259184).

Almost surely, 2^{201122201111122} is an apocalyptic number.

201122201111122 is a deficient number, since it is larger than the sum of its proper divisors (100561600962350).

201122201111122 is a wasteful number, since it uses less digits than its factorization.

201122201111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166802264.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201122201111122 its reverse (221111102221102), we get a palindrome (422233303332224).

The spelling of 201122201111122 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty-two".