200001000109 has 2 divisors, whose sum is σ = 200001000110. Its totient is φ = 200001000108.

The previous prime is 200001000079. The next prime is 200001000167. The reversal of 200001000109 is 901000100002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127099380100 + 72901620009 = 356510^2 + 270003^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001000109 - 2⁵ = 200001000077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001000809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000500054 + 100000500055.

It is an arithmetic number, because the mean of its divisors is an integer number (100000500055).

Almost surely, 2^200001000109 is an apocalyptic number.

It is an amenable number.

200001000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001000109 is an equidigital number, since it uses as much as digits as its factorization.

200001000109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The spelling of 200001000109 in words is "two hundred billion, one million, one hundred nine", and thus it is an aban number.