100100200208 has 20 divisors (see below), whose sum is σ = 194232337308. Its totient is φ = 49975726080.

The previous prime is 100100200181. The next prime is 100100200253. The reversal of 100100200208 is 802002001001.

It can be written as a sum of positive squares in 2 ways, for example, as 72475100944 + 27625099264 = 269212^2 + 166208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100100200192 and 100100200201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637273 + ... + 4658808.

Almost surely, 2^100100200208 is an apocalyptic number.

It is an amenable number.

100100200208 is a deficient number, since it is larger than the sum of its proper divisors (94132137100).

100100200208 is an equidigital number, since it uses as much as digits as its factorization.

100100200208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296762 (or 9296756 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100100200208 its reverse (802002001001), we get a palindrome (902102201209).

The spelling of 100100200208 in words is "one hundred billion, one hundred million, two hundred thousand, two hundred eight".