102100200020200 has 96 divisors (see below), whose sum is σ = 240757119486720. Its totient is φ = 40259727200000.

The previous prime is 102100200020123. The next prime is 102100200020227. The reversal of 102100200020200 is 2020002001201.

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

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 23 ways as a sum of consecutive naturals, for example, 111739185 + ... + 112649215.

It is an arithmetic number, because the mean of its divisors is an integer number (2507886661320).

Almost surely, 2^{102100200020200} is an apocalyptic number.

102100200020200 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 102100200020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120378559743360).

102100200020200 is an abundant number, since it is smaller than the sum of its proper divisors (138656919466520).

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

102100200020200 is a wasteful number, since it uses less digits than its factorization.

102100200020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918019 (or 918010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102100200020200 its reverse (2020002001201), we get a palindrome (104120202021401).

The spelling of 102100200020200 in words is "one hundred two trillion, one hundred billion, two hundred million, twenty thousand, two hundred".