22122011212122 has 16 divisors (see below), whose sum is σ = 44438930014752. Its totient is φ = 7341519138960.

The previous prime is 22122011212109. The next prime is 22122011212129. The reversal of 22122011212122 is 22121211022122.

It is not an unprimeable number, because it can be changed into a prime (22122011212129) 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, 8121148129 + ... + 8121150852.

It is an arithmetic number, because the mean of its divisors is an integer number (2777433125922).

Almost surely, 2^{22122011212122} is an apocalyptic number.

22122011212122 is an abundant number, since it is smaller than the sum of its proper divisors (22316918802630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122011212122 is a wasteful number, since it uses less digits than its factorization.

22122011212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16242299213.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22122011212122 its reverse (22121211022122), we get a palindrome (44243222234244).

The spelling of 22122011212122 in words is "twenty-two trillion, one hundred twenty-two billion, eleven million, two hundred twelve thousand, one hundred twenty-two".