1113321113 has 2 divisors, whose sum is σ = 1113321114. Its totient is φ = 1113321112.

The previous prime is 1113321103. The next prime is 1113321149. The reversal of 1113321113 is 3111233111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1080568384 + 32752729 = 32872^2 + 5723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113321113 - 2²⁰ = 1112272537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113321091 and 1113321100.

It is not a weakly prime, because it can be changed into another prime (1113321103) 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, 556660556 + 556660557.

It is an arithmetic number, because the mean of its divisors is an integer number (556660557).

Almost surely, 2^1113321113 is an apocalyptic number.

It is an amenable number.

1113321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113321113 is an equidigital number, since it uses as much as digits as its factorization.

1113321113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 17.

The square root of 1113321113 is about 33366.4668941739. The cubic root of 1113321113 is about 1036.4304128426.

Adding to 1113321113 its reverse (3111233111), we get a palindrome (4224554224).

The spelling of 1113321113 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred thirteen".