102221022122212 has 24 divisors (see below), whose sum is σ = 205623790174656. Its totient is φ = 43555778210208.

The previous prime is 102221022122207. The next prime is 102221022122257. The reversal of 102221022122212 is 212221220122201.

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, 10551298018 + ... + 10551307705.

It is an arithmetic number, because the mean of its divisors is an integer number (8567657923944).

Almost surely, 2^{102221022122212} is an apocalyptic number.

It is an amenable number.

102221022122212 is an abundant number, since it is smaller than the sum of its proper divisors (103402768052444).

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

102221022122212 is a wasteful number, since it uses less digits than its factorization.

102221022122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21102605907 (or 21102605905 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102221022122212 its reverse (212221220122201), we get a palindrome (314442242244413).

The spelling of 102221022122212 in words is "one hundred two trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, two hundred twelve".