2113332021 has 12 divisors (see below), whose sum is σ = 3054544480. Its totient is φ = 1407986280.

The previous prime is 2113331963. The next prime is 2113332037. The reversal of 2113332021 is 1202333112.

It is not a de Polignac number, because 2113332021 - 2⁷ = 2113331893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113331985 and 2113332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113334021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60145 + ... + 88566.

Almost surely, 2^2113332021 is an apocalyptic number.

It is an amenable number.

2113332021 is a deficient number, since it is larger than the sum of its proper divisors (941212459).

2113332021 is a wasteful number, since it uses less digits than its factorization.

2113332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150296 (or 150293 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2113332021 is about 45970.9910813330. The cubic root of 2113332021 is about 1283.2834040431.

Adding to 2113332021 its reverse (1202333112), we get a palindrome (3315665133).

The spelling of 2113332021 in words is "two billion, one hundred thirteen million, three hundred thirty-two thousand, twenty-one".