1113330121 has 2 divisors, whose sum is σ = 1113330122. Its totient is φ = 1113330120.

The previous prime is 1113330109. The next prime is 1113330131. The reversal of 1113330121 is 1210333111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 400440121 = 26700^2 + 20011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113330121 - 2²⁹ = 576459209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113330095 and 1113330104.

It is not a weakly prime, because it can be changed into another prime (1113330131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556665060 + 556665061.

It is an arithmetic number, because the mean of its divisors is an integer number (556665061).

Almost surely, 2^1113330121 is an apocalyptic number.

It is an amenable number.

1113330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113330121 is an equidigital number, since it uses as much as digits as its factorization.

1113330121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1113330121 is about 33366.6018797240. The cubic root of 1113330121 is about 1036.4332081248.

Adding to 1113330121 its reverse (1210333111), we get a palindrome (2323663232).

The spelling of 1113330121 in words is "one billion, one hundred thirteen million, three hundred thirty thousand, one hundred twenty-one".