102112100122 has 8 divisors (see below), whose sum is σ = 154573362900. Its totient is φ = 50587645824.

The previous prime is 102112100119. The next prime is 102112100131. The reversal of 102112100122 is 221001211201.

It can be written as a sum of positive squares in 2 ways, for example, as 91397987041 + 10714113081 = 302321^2 + 103509^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 234201847 + ... + 234202282.

Almost surely, 2^102112100122 is an apocalyptic number.

102112100122 is a deficient number, since it is larger than the sum of its proper divisors (52461262778).

102112100122 is a wasteful number, since it uses less digits than its factorization.

102112100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468404240.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102112100122 its reverse (221001211201), we get a palindrome (323113311323).

The spelling of 102112100122 in words is "one hundred two billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".