200002101121709 has 2 divisors, whose sum is σ = 200002101121710. Its totient is φ = 200002101121708.

The previous prime is 200002101121679. The next prime is 200002101121717. The reversal of 200002101121709 is 907121101200002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103211823499684 + 96790277622025 = 10159322^2 + 9838205^2 .

It is a cyclic number.

It is not a de Polignac number, because 200002101121709 - 2³² = 199997806154413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200002101121769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001050560854 + 100001050560855.

It is an arithmetic number, because the mean of its divisors is an integer number (100001050560855).

Almost surely, 2^{200002101121709} is an apocalyptic number.

It is an amenable number.

200002101121709 is a deficient number, since it is larger than the sum of its proper divisors (1).

200002101121709 is an equidigital number, since it uses as much as digits as its factorization.

200002101121709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 200002101121709 in words is "two hundred trillion, two billion, one hundred one million, one hundred twenty-one thousand, seven hundred nine".