201113189 has 2 divisors, whose sum is σ = 201113190. Its totient is φ = 201113188.

The previous prime is 201113183. The next prime is 201113191. The reversal of 201113189 is 981311102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 664225 = 14158^2 + 815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201113189 is a prime.

It is a Sophie Germain prime.

Together with 201113191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201113183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556594 + 100556595.

It is an arithmetic number, because the mean of its divisors is an integer number (100556595).

Almost surely, 2^201113189 is an apocalyptic number.

It is an amenable number.

201113189 is a deficient number, since it is larger than the sum of its proper divisors (1).

201113189 is an equidigital number, since it uses as much as digits as its factorization.

201113189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 201113189 is about 14181.4381851771. The cubic root of 201113189 is about 585.8865356311.

The spelling of 201113189 in words is "two hundred one million, one hundred thirteen thousand, one hundred eighty-nine".