2113330400225 has 24 divisors (see below), whose sum is σ = 2858828219712. Its totient is φ = 1536930708800.

The previous prime is 2113330400173. The next prime is 2113330400227. The reversal of 2113330400225 is 5220040333112.

It is a happy number.

It is not a de Polignac number, because 2113330400225 - 2²⁰ = 2113329351649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113330400194 and 2113330400203.

It is not an unprimeable number, because it can be changed into a prime (2113330400227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17477324 + ... + 17597826.

It is an arithmetic number, because the mean of its divisors is an integer number (119117842488).

Almost surely, 2^{2113330400225} is an apocalyptic number.

2113330400225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2113330400225 is a deficient number, since it is larger than the sum of its proper divisors (745497819487).

2113330400225 is a wasteful number, since it uses less digits than its factorization.

2113330400225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184297 (or 184292 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 2113330400225 its reverse (5220040333112), we get a palindrome (7333370733337).

The spelling of 2113330400225 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred thousand, two hundred twenty-five".