102102222122 has 8 divisors (see below), whose sum is σ = 162162352836. Its totient is φ = 48048104512.

The previous prime is 102102222119. The next prime is 102102222197. The reversal of 102102222122 is 221222201201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85181675881 + 16920546241 = 291859^2 + 130079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 102102222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501503233 + ... + 1501503300.

Almost surely, 2^102102222122 is an apocalyptic number.

102102222122 is a deficient number, since it is larger than the sum of its proper divisors (60060130714).

102102222122 is a wasteful number, since it uses less digits than its factorization.

102102222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003006552.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102102222122 its reverse (221222201201), we get a palindrome (323324423323).

The spelling of 102102222122 in words is "one hundred two billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-two".