2113330434021 has 12 divisors (see below), whose sum is σ = 3052601069440. Its totient is φ = 1408881110760.

The previous prime is 2113330434011. The next prime is 2113330434037. The reversal of 2113330434021 is 1204340333112.

It is a happy number.

2113330434021 is a `hidden beast` number, since 2 + 1 + 13 + 3 + 304 + 340 + 2 + 1 = 666.

It is not a de Polignac number, because 2113330434021 - 2¹⁷ = 2113330302949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113330434011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3669516 + ... + 4206186.

Almost surely, 2^{2113330434021} is an apocalyptic number.

It is an amenable number.

2113330434021 is a deficient number, since it is larger than the sum of its proper divisors (939270635419).

2113330434021 is a wasteful number, since it uses less digits than its factorization.

2113330434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974216 (or 974213 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2113330434021 its reverse (1204340333112), we get a palindrome (3317670767133).

The spelling of 2113330434021 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred thirty-four thousand, twenty-one".