1113110209 has 2 divisors, whose sum is σ = 1113110210. Its totient is φ = 1113110208.

The previous prime is 1113110203. The next prime is 1113110221. The reversal of 1113110209 is 9020113111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102240000 + 10870209 = 33200^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113110209 - 2⁵ = 1113110177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113110203) 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, 556555104 + 556555105.

It is an arithmetic number, because the mean of its divisors is an integer number (556555105).

Almost surely, 2^1113110209 is an apocalyptic number.

It is an amenable number.

1113110209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113110209 is an equidigital number, since it uses as much as digits as its factorization.

1113110209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1113110209 is about 33363.3063259624. The cubic root of 1113110209 is about 1036.3649626859.

The spelling of 1113110209 in words is "one billion, one hundred thirteen million, one hundred ten thousand, two hundred nine".