100011000209 has 2 divisors, whose sum is σ = 100011000210. Its totient is φ = 100011000208.

The previous prime is 100011000197. The next prime is 100011000239. The reversal of 100011000209 is 902000110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91987857025 + 8023143184 = 303295^2 + 89572^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011000209 - 2³² = 95716032913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100011000193 and 100011000202.

It is not a weakly prime, because it can be changed into another prime (100011000239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005500104 + 50005500105.

It is an arithmetic number, because the mean of its divisors is an integer number (50005500105).

Almost surely, 2^100011000209 is an apocalyptic number.

It is an amenable number.

100011000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011000209 is an equidigital number, since it uses as much as digits as its factorization.

100011000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 100011000209 in words is "one hundred billion, eleven million, two hundred nine", and thus it is an aban number.