205201103 has 2 divisors, whose sum is σ = 205201104. Its totient is φ = 205201102.

The previous prime is 205201097. The next prime is 205201141. The reversal of 205201103 is 301102502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205201103 - 2⁸ = 205200847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205201153) 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, 102600551 + 102600552.

It is an arithmetic number, because the mean of its divisors is an integer number (102600552).

Almost surely, 2^205201103 is an apocalyptic number.

205201103 is a deficient number, since it is larger than the sum of its proper divisors (1).

205201103 is an equidigital number, since it uses as much as digits as its factorization.

205201103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 205201103 is about 14324.8421631793. The cubic root of 205201103 is about 589.8296003171.

Adding to 205201103 its reverse (301102502), we get a palindrome (506303605).

The spelling of 205201103 in words is "two hundred five million, two hundred one thousand, one hundred three".