100222112122122 has 16 divisors (see below), whose sum is σ = 200444463738720. Its totient is φ = 33407330791632.

The previous prime is 100222112122049. The next prime is 100222112122133. The reversal of 100222112122122 is 221221211222001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4289233 + ... + 14793300.

It is an arithmetic number, because the mean of its divisors is an integer number (12527778983670).

Almost surely, 2^{100222112122122} is an apocalyptic number.

100222112122122 is an abundant number, since it is smaller than the sum of its proper divisors (100222351616598).

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

100222112122122 is a wasteful number, since it uses less digits than its factorization.

100222112122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19957877.

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

Adding to 100222112122122 its reverse (221221211222001), we get a palindrome (321443323344123).

The spelling of 100222112122122 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".