2133221003 has 4 divisors (see below), whose sum is σ = 2133510120. Its totient is φ = 2132931888.

The previous prime is 2133220987. The next prime is 2133221059. The reversal of 2133221003 is 3001223312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133221003 - 2⁴ = 2133220987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133223003) 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 3 ways as a sum of consecutive naturals, for example, 133193 + ... + 148346.

It is an arithmetic number, because the mean of its divisors is an integer number (533377530).

Almost surely, 2^2133221003 is an apocalyptic number.

2133221003 is a deficient number, since it is larger than the sum of its proper divisors (289117).

2133221003 is an equidigital number, since it uses as much as digits as its factorization.

2133221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289116.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2133221003 is about 46186.8055076339. The cubic root of 2133221003 is about 1287.2965845475.

Adding to 2133221003 its reverse (3001223312), we get a palindrome (5134444315).

The spelling of 2133221003 in words is "two billion, one hundred thirty-three million, two hundred twenty-one thousand, three".