201122000220122 has 32 divisors (see below), whose sum is σ = 323015018443200. Its totient is φ = 93632842003968.

The previous prime is 201122000220073. The next prime is 201122000220161. The reversal of 201122000220122 is 221022000221102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201122000220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179468 + ... + 20056824.

It is an arithmetic number, because the mean of its divisors is an integer number (10094219326350).

Almost surely, 2^{201122000220122} is an apocalyptic number.

201122000220122 is a deficient number, since it is larger than the sum of its proper divisors (121893018223078).

201122000220122 is a wasteful number, since it uses less digits than its factorization.

201122000220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19881950.

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

Adding to 201122000220122 its reverse (221022000221102), we get a palindrome (422144000441224).

The spelling of 201122000220122 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty thousand, one hundred twenty-two".