200202112009 has 2 divisors, whose sum is σ = 200202112010. Its totient is φ = 200202112008.

The previous prime is 200202111983. The next prime is 200202112021. The reversal of 200202112009 is 900211202002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138660906384 + 61541205625 = 372372^2 + 248075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202112009 is a prime.

It is not a weakly prime, because it can be changed into another prime (200202112069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101056004 + 100101056005.

It is an arithmetic number, because the mean of its divisors is an integer number (100101056005).

Almost surely, 2^200202112009 is an apocalyptic number.

It is an amenable number.

200202112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202112009 is an equidigital number, since it uses as much as digits as its factorization.

200202112009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 200202112009 in words is "two hundred billion, two hundred two million, one hundred twelve thousand, nine".