22112212100122 has 32 divisors (see below), whose sum is σ = 34517428419600. Its totient is φ = 10610991702528.

The previous prime is 22112212100117. The next prime is 22112212100123. The reversal of 22112212100122 is 22100121221122.

It can be written as a sum of positive squares in 8 ways, for example, as 20941139670201 + 1171072429921 = 4576149^2 + 1082161^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22112212100122.

It is not an unprimeable number, because it can be changed into a prime (22112212100123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49516254 + ... + 49960822.

Almost surely, 2^{22112212100122} is an apocalyptic number.

22112212100122 is a deficient number, since it is larger than the sum of its proper divisors (12405216319478).

22112212100122 is a wasteful number, since it uses less digits than its factorization.

22112212100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449730.

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

Adding to 22112212100122 its reverse (22100121221122), we get a palindrome (44212333321244).

The spelling of 22112212100122 in words is "twenty-two trillion, one hundred twelve billion, two hundred twelve million, one hundred thousand, one hundred twenty-two".