200112109 has 2 divisors, whose sum is σ = 200112110. Its totient is φ = 200112108.

The previous prime is 200112079. The next prime is 200112127. The reversal of 200112109 is 901211002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147549609 + 52562500 = 12147^2 + 7250^2 .

It is a cyclic number.

It is not a de Polignac number, because 200112109 - 2¹⁹ = 199587821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200112092 and 200112101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200112709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100056054 + 100056055.

It is an arithmetic number, because the mean of its divisors is an integer number (100056055).

Almost surely, 2^200112109 is an apocalyptic number.

It is an amenable number.

200112109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200112109 is an equidigital number, since it uses as much as digits as its factorization.

200112109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 200112109 is about 14146.0987201419. The cubic root of 200112109 is about 584.9127968003.

The spelling of 200112109 in words is "two hundred million, one hundred twelve thousand, one hundred nine".