200011112909 has 2 divisors, whose sum is σ = 200011112910. Its totient is φ = 200011112908.

The previous prime is 200011112893. The next prime is 200011112923. The reversal of 200011112909 is 909211110002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199024838884 + 986274025 = 446122^2 + 31405^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011112909 - 2⁴ = 200011112893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200011112009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005556454 + 100005556455.

It is an arithmetic number, because the mean of its divisors is an integer number (100005556455).

Almost surely, 2^200011112909 is an apocalyptic number.

It is an amenable number.

200011112909 is a deficient number, since it is larger than the sum of its proper divisors (1).

200011112909 is an equidigital number, since it uses as much as digits as its factorization.

200011112909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 200011112909 in words is "two hundred billion, eleven million, one hundred twelve thousand, nine hundred nine".