102342100122 has 96 divisors (see below), whose sum is σ = 229229642304. Its totient is φ = 32974905600.

The previous prime is 102342100087. The next prime is 102342100177. The reversal of 102342100122 is 221001243201.

It is a happy number.

102342100122 is a `hidden beast` number, since 102 + 342 + 100 + 122 = 666.

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 = 102342100095 and 102342100104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87396597 + ... + 87397767.

It is an arithmetic number, because the mean of its divisors is an integer number (2387808774).

Almost surely, 2^102342100122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102342100122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114614821152).

102342100122 is an abundant number, since it is smaller than the sum of its proper divisors (126887542182).

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

102342100122 is a wasteful number, since it uses less digits than its factorization.

102342100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102342100122 its reverse (221001243201), we get a palindrome (323343343323).

The spelling of 102342100122 in words is "one hundred two billion, three hundred forty-two million, one hundred thousand, one hundred twenty-two".