201012113 has 2 divisors, whose sum is σ = 201012114. Its totient is φ = 201012112.

The previous prime is 201012109. The next prime is 201012121. The reversal of 201012113 is 311210102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174055249 + 26956864 = 13193^2 + 5192^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012113 - 2² = 201012109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012094 and 201012103.

It is not a weakly prime, because it can be changed into another prime (201011113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506056 + 100506057.

It is an arithmetic number, because the mean of its divisors is an integer number (100506057).

Almost surely, 2^201012113 is an apocalyptic number.

It is an amenable number.

201012113 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012113 is an equidigital number, since it uses as much as digits as its factorization.

201012113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 201012113 is about 14177.8740648942. The cubic root of 201012113 is about 585.7883670469.

Adding to 201012113 its reverse (311210102), we get a palindrome (512222215).

The spelling of 201012113 in words is "two hundred one million, twelve thousand, one hundred thirteen".