201113603 has 2 divisors, whose sum is σ = 201113604. Its totient is φ = 201113602.

The previous prime is 201113599. The next prime is 201113617. The reversal of 201113603 is 306311102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201113603 - 2² = 201113599 is a prime.

It is not a weakly prime, because it can be changed into another prime (201113663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556801 + 100556802.

It is an arithmetic number, because the mean of its divisors is an integer number (100556802).

Almost surely, 2^201113603 is an apocalyptic number.

201113603 is a deficient number, since it is larger than the sum of its proper divisors (1).

201113603 is an equidigital number, since it uses as much as digits as its factorization.

201113603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 201113603 is about 14181.4527817146. The cubic root of 201113603 is about 585.8869376548.

Adding to 201113603 its reverse (306311102), we get a palindrome (507424705).

The spelling of 201113603 in words is "two hundred one million, one hundred thirteen thousand, six hundred three".