1113330454021 has 2 divisors, whose sum is σ = 1113330454022. Its totient is φ = 1113330454020.

The previous prime is 1113330454009. The next prime is 1113330454031. The reversal of 1113330454021 is 1204540333111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959479020900 + 153851433121 = 979530^2 + 392239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113330454021 - 2²³ = 1113322065413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113330454031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556665227010 + 556665227011.

It is an arithmetic number, because the mean of its divisors is an integer number (556665227011).

Almost surely, 2^{1113330454021} is an apocalyptic number.

It is an amenable number.

1113330454021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113330454021 is an equidigital number, since it uses as much as digits as its factorization.

1113330454021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1113330454021 its reverse (1204540333111), we get a palindrome (2317870787132).

The spelling of 1113330454021 in words is "one trillion, one hundred thirteen billion, three hundred thirty million, four hundred fifty-four thousand, twenty-one".