201220022012122 has 16 divisors (see below), whose sum is σ = 319611016657152. Its totient is φ = 94683989638080.

The previous prime is 201220022012111. The next prime is 201220022012123. The reversal of 201220022012122 is 221210220022102.

201220022012122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201220022012122.

It is not an unprimeable number, because it can be changed into a prime (201220022012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242874954 + ... + 243702037.

It is an arithmetic number, because the mean of its divisors is an integer number (19975688541072).

Almost surely, 2^{201220022012122} is an apocalyptic number.

201220022012122 is a deficient number, since it is larger than the sum of its proper divisors (118390994645030).

201220022012122 is a wasteful number, since it uses less digits than its factorization.

201220022012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486589173.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201220022012122 its reverse (221210220022102), we get a palindrome (422430242034224).

The spelling of 201220022012122 in words is "two hundred one trillion, two hundred twenty billion, twenty-two million, twelve thousand, one hundred twenty-two".