102202222122 has 128 divisors (see below), whose sum is σ = 304939192320. Its totient is φ = 24504016320.

The previous prime is 102202222093. The next prime is 102202222151. The reversal of 102202222122 is 221222202201.

102202222122 is a `hidden beast` number, since 10 + 220 + 222 + 212 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (102202222093) and next prime (102202222151).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102202222095 and 102202222104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 891318 + ... + 999425.

It is an arithmetic number, because the mean of its divisors is an integer number (2382337440).

Almost surely, 2^102202222122 is an apocalyptic number.

102202222122 is an abundant number, since it is smaller than the sum of its proper divisors (202736970198).

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

102202222122 is a wasteful number, since it uses less digits than its factorization.

102202222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890785 (or 1890779 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102202222122 its reverse (221222202201), we get a palindrome (323424424323).

The spelling of 102202222122 in words is "one hundred two billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty-two".