102100122102 has 48 divisors (see below), whose sum is σ = 224674697520. Its totient is φ = 30908665920.

The previous prime is 102100122097. The next prime is 102100122109. The reversal of 102100122102 is 201221001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100122109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666024 + ... + 804852.

It is an arithmetic number, because the mean of its divisors is an integer number (4680722865).

Almost surely, 2^102100122102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102100122102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112337348760).

102100122102 is an abundant number, since it is smaller than the sum of its proper divisors (122574575418).

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

102100122102 is a wasteful number, since it uses less digits than its factorization.

102100122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139869 (or 139858 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102100122102 its reverse (201221001201), we get a palindrome (303321123303).

The spelling of 102100122102 in words is "one hundred two billion, one hundred million, one hundred twenty-two thousand, one hundred two".