2113330412173 has 2 divisors, whose sum is σ = 2113330412174. Its totient is φ = 2113330412172.

The previous prime is 2113330412161. The next prime is 2113330412201. The reversal of 2113330412173 is 3712140333112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2042103876484 + 71226535689 = 1429022^2 + 266883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113330412173 - 2²⁵ = 2113296857741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113330442173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056665206086 + 1056665206087.

It is an arithmetic number, because the mean of its divisors is an integer number (1056665206087).

Almost surely, 2^{2113330412173} is an apocalyptic number.

It is an amenable number.

2113330412173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113330412173 is an equidigital number, since it uses as much as digits as its factorization.

2113330412173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 2113330412173 its reverse (3712140333112), we get a palindrome (5825470745285).

The spelling of 2113330412173 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred twelve thousand, one hundred seventy-three".