102100200 has 48 divisors (see below), whose sum is σ = 316512480. Its totient is φ = 27226560.

The previous prime is 102100199. The next prime is 102100211. The reversal of 102100200 is 2001201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84484 + ... + 85683.

It is an arithmetic number, because the mean of its divisors is an integer number (6594010).

Almost surely, 2^102100200 is an apocalyptic number.

102100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100200 is an abundant number, since it is smaller than the sum of its proper divisors (214412280).

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

102100200 is a wasteful number, since it uses less digits than its factorization.

102100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170186 (or 170177 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 102100200 is about 10104.4643598758. The cubic root of 102100200 is about 467.3858186265.

Adding to 102100200 its reverse (2001201), we get a palindrome (104101401).

The spelling of 102100200 in words is "one hundred two million, one hundred thousand, two hundred".