2133441021 has 8 divisors (see below), whose sum is σ = 2845005280. Its totient is φ = 1422085392.

The previous prime is 2133440963. The next prime is 2133441043. The reversal of 2133441021 is 1201443312.

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

It is not a de Polignac number, because 2133441021 - 2¹⁴ = 2133424637 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 (2133441071) 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, 26491 + ... + 70488.

It is an arithmetic number, because the mean of its divisors is an integer number (355625660).

Almost surely, 2^2133441021 is an apocalyptic number.

It is an amenable number.

2133441021 is a deficient number, since it is larger than the sum of its proper divisors (711564259).

2133441021 is an equidigital number, since it uses as much as digits as its factorization.

2133441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104315.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2133441021 is about 46189.1872736466. The cubic root of 2133441021 is about 1287.3408397970.

Adding to 2133441021 its reverse (1201443312), we get a palindrome (3334884333).

The spelling of 2133441021 in words is "two billion, one hundred thirty-three million, four hundred forty-one thousand, twenty-one".