2043210221 has 8 divisors (see below), whose sum is σ = 2296049280. Its totient is φ = 1804038192.

The previous prime is 2043210199. The next prime is 2043210223. The reversal of 2043210221 is 1220123402.

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 2043210221 - 2¹⁰ = 2043209197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043210223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3416441 + ... + 3417038.

It is an arithmetic number, because the mean of its divisors is an integer number (287006160).

Almost surely, 2^2043210221 is an apocalyptic number.

It is an amenable number.

2043210221 is a deficient number, since it is larger than the sum of its proper divisors (252839059).

2043210221 is a wasteful number, since it uses less digits than its factorization.

2043210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833515.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2043210221 is about 45201.8829364441. The cubic root of 2043210221 is about 1268.9300557195.

Adding to 2043210221 its reverse (1220123402), we get a palindrome (3263333623).

The spelling of 2043210221 in words is "two billion, forty-three million, two hundred ten thousand, two hundred twenty-one".