102220012122 has 64 divisors (see below), whose sum is σ = 219368891520. Its totient is φ = 31655280384.

The previous prime is 102220012099. The next prime is 102220012177. The reversal of 102220012122 is 221210022201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20618868 + ... + 20623824.

It is an arithmetic number, because the mean of its divisors is an integer number (3427638930).

Almost surely, 2^102220012122 is an apocalyptic number.

102220012122 is an abundant number, since it is smaller than the sum of its proper divisors (117148879398).

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

102220012122 is a wasteful number, since it uses less digits than its factorization.

102220012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102220012122 its reverse (221210022201), we get a palindrome (323430034323).

The spelling of 102220012122 in words is "one hundred two billion, two hundred twenty million, twelve thousand, one hundred twenty-two".