201011113 has 2 divisors, whose sum is σ = 201011114. Its totient is φ = 201011112.

The previous prime is 201011059. The next prime is 201011137. The reversal of 201011113 is 311110102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194518809 + 6492304 = 13947^2 + 2548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201011113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201011113.

It is not a weakly prime, because it can be changed into another prime (201012113) 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, 100505556 + 100505557.

It is an arithmetic number, because the mean of its divisors is an integer number (100505557).

Almost surely, 2^201011113 is an apocalyptic number.

It is an amenable number.

201011113 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011113 is an equidigital number, since it uses as much as digits as its factorization.

201011113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 201011113 is about 14177.8387986322. The cubic root of 201011113 is about 585.7873956471.

Adding to 201011113 its reverse (311110102), we get a palindrome (512121215).

The spelling of 201011113 in words is "two hundred one million, eleven thousand, one hundred thirteen".