2113330232021 has 4 divisors (see below), whose sum is σ = 2113559976000. Its totient is φ = 2113100488044.

The previous prime is 2113330232009. The next prime is 2113330232047. The reversal of 2113330232021 is 1202320333112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113330232021 - 2¹⁰ = 2113330230997 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 (2113330232621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114858191 + ... + 114876588.

It is an arithmetic number, because the mean of its divisors is an integer number (528389994000).

Almost surely, 2^{2113330232021} is an apocalyptic number.

It is an amenable number.

2113330232021 is a deficient number, since it is larger than the sum of its proper divisors (229743979).

2113330232021 is an equidigital number, since it uses as much as digits as its factorization.

2113330232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229743978.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2113330232021 its reverse (1202320333112), we get a palindrome (3315650565133).

The spelling of 2113330232021 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, two hundred thirty-two thousand, twenty-one".