2043221113 has 4 divisors (see below), whose sum is σ = 2043613440. Its totient is φ = 2042828788.

The previous prime is 2043221111. The next prime is 2043221203. The reversal of 2043221113 is 3111223402.

It is a happy number.

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 2043221113 - 2¹ = 2043221111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043221111) 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, 188245 + ... + 198802.

It is an arithmetic number, because the mean of its divisors is an integer number (510903360).

Almost surely, 2^2043221113 is an apocalyptic number.

It is an amenable number.

2043221113 is a deficient number, since it is larger than the sum of its proper divisors (392327).

2043221113 is an equidigital number, since it uses as much as digits as its factorization.

2043221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392326.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2043221113 is about 45202.0034179902. The cubic root of 2043221113 is about 1268.9323105310.

Adding to 2043221113 its reverse (3111223402), we get a palindrome (5154444515).

The spelling of 2043221113 in words is "two billion, forty-three million, two hundred twenty-one thousand, one hundred thirteen".