102202121212122 has 32 divisors (see below), whose sum is σ = 216428544395712. Its totient is φ = 32063333094144.

The previous prime is 102202121212117. The next prime is 102202121212187. The reversal of 102202121212122 is 221212121202201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53082873 + ... + 54974499.

It is an arithmetic number, because the mean of its divisors is an integer number (6763392012366).

Almost surely, 2^{102202121212122} is an apocalyptic number.

102202121212122 is an abundant number, since it is smaller than the sum of its proper divisors (114226423183590).

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

102202121212122 is a wasteful number, since it uses less digits than its factorization.

102202121212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421342.

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

Adding to 102202121212122 its reverse (221212121202201), we get a palindrome (323414242414323).

The spelling of 102202121212122 in words is "one hundred two trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-two".