22112122102212 has 48 divisors (see below), whose sum is σ = 54650101306752. Its totient is φ = 6934577287680.

The previous prime is 22112122102211. The next prime is 22112122102241. The reversal of 22112122102212 is 21220122121122.

It is not an unprimeable number, because it can be changed into a prime (22112122102211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19438243 + ... + 20544330.

It is an arithmetic number, because the mean of its divisors is an integer number (1138543777224).

Almost surely, 2^{22112122102212} is an apocalyptic number.

It is an amenable number.

22112122102212 is an abundant number, since it is smaller than the sum of its proper divisors (32537979204540).

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

22112122102212 is a wasteful number, since it uses less digits than its factorization.

22112122102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39985308 (or 39985306 counting only the distinct ones).

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

Adding to 22112122102212 its reverse (21220122121122), we get a palindrome (43332244223334).

The spelling of 22112122102212 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred twelve".