200102200020209 has 2 divisors, whose sum is σ = 200102200020210. Its totient is φ = 200102200020208.

The previous prime is 200102200020133. The next prime is 200102200020221. The reversal of 200102200020209 is 902020002201002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123922470410209 + 76179729610000 = 11132047^2 + 8728100^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102200020209 - 2¹² = 200102200016113 is a prime.

It is not a weakly prime, because it can be changed into another prime (200102200020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051100010104 + 100051100010105.

It is an arithmetic number, because the mean of its divisors is an integer number (100051100010105).

Almost surely, 2^{200102200020209} is an apocalyptic number.

It is an amenable number.

200102200020209 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102200020209 is an equidigital number, since it uses as much as digits as its factorization.

200102200020209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 200102200020209 in words is "two hundred trillion, one hundred two billion, two hundred million, twenty thousand, two hundred nine".