22122120122011 has 16 divisors (see below), whose sum is σ = 27227935494144. Its totient is φ = 17502759023904.

The previous prime is 22122120121957. The next prime is 22122120122029. The reversal of 22122120122011 is 11022102122122.

It is not a de Polignac number, because 22122120122011 - 2³⁹ = 21572364308123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22122120122011.

It is not an unprimeable number, because it can be changed into a prime (22122120122911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353790 + ... + 6661036.

It is an arithmetic number, because the mean of its divisors is an integer number (1701745968384).

Almost surely, 2^{22122120122011} is an apocalyptic number.

22122120122011 is a deficient number, since it is larger than the sum of its proper divisors (5105815372133).

22122120122011 is a wasteful number, since it uses less digits than its factorization.

22122120122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6345810.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22122120122011 its reverse (11022102122122), we get a palindrome (33144222244133).

The spelling of 22122120122011 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, eleven".