2113330021 has 8 divisors (see below), whose sum is σ = 2384949600. Its totient is φ = 1854960240.

The previous prime is 2113330019. The next prime is 2113330067. The reversal of 2113330021 is 1200333112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113330021 - 2¹ = 2113330019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113329977 and 2113330004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113330621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3312111 + ... + 3312748.

It is an arithmetic number, because the mean of its divisors is an integer number (298118700).

Almost surely, 2^2113330021 is an apocalyptic number.

It is an amenable number.

2113330021 is a deficient number, since it is larger than the sum of its proper divisors (271619579).

2113330021 is a wasteful number, since it uses less digits than its factorization.

2113330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624899.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2113330021 is about 45970.9693284795. The cubic root of 2113330021 is about 1283.2829992215.

Adding to 2113330021 its reverse (1200333112), we get a palindrome (3313663133).

The spelling of 2113330021 in words is "two billion, one hundred thirteen million, three hundred thirty thousand, twenty-one".