113330021003161 has 2 divisors, whose sum is σ = 113330021003162. Its totient is φ = 113330021003160.

The previous prime is 113330021003159. The next prime is 113330021003191. The reversal of 113330021003161 is 161300120033311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88007738987536 + 25322282015625 = 9381244^2 + 5032125^2 .

It is a cyclic number.

It is not a de Polignac number, because 113330021003161 - 2¹ = 113330021003159 is a prime.

Together with 113330021003159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113330021003191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56665010501580 + 56665010501581.

It is an arithmetic number, because the mean of its divisors is an integer number (56665010501581).

Almost surely, 2^{113330021003161} is an apocalyptic number.

It is an amenable number.

113330021003161 is a deficient number, since it is larger than the sum of its proper divisors (1).

113330021003161 is an equidigital number, since it uses as much as digits as its factorization.

113330021003161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 113330021003161 its reverse (161300120033311), we get a palindrome (274630141036472).

The spelling of 113330021003161 in words is "one hundred thirteen trillion, three hundred thirty billion, twenty-one million, three thousand, one hundred sixty-one".