102130100200 has 96 divisors (see below), whose sum is σ = 239734711800. Its totient is φ = 40461224960.

The previous prime is 102130100161. The next prime is 102130100209. The reversal of 102130100200 is 2001031201.

It can be written as a sum of positive squares in 12 ways, for example, as 6726952324 + 95403147876 = 82018^2 + 308874^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102130100209) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9301914 + ... + 9312886.

Almost surely, 2^102130100200 is an apocalyptic number.

102130100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102130100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119867355900).

102130100200 is an abundant number, since it is smaller than the sum of its proper divisors (137604611600).

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

102130100200 is a wasteful number, since it uses less digits than its factorization.

102130100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431 (or 11422 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102130100200 its reverse (2001031201), we get a palindrome (104131131401).

The spelling of 102130100200 in words is "one hundred two billion, one hundred thirty million, one hundred thousand, two hundred".