2221321022003 has 8 divisors (see below), whose sum is σ = 2355054475200. Its totient is φ = 2089269750888.

The previous prime is 2221321021999. The next prime is 2221321022021. The reversal of 2221321022003 is 3002201231222.

It is a happy number.

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 2221321022003 - 2² = 2221321021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221321024003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420542801 + ... + 420548082.

It is an arithmetic number, because the mean of its divisors is an integer number (294381809400).

Almost surely, 2^{2221321022003} is an apocalyptic number.

2221321022003 is a deficient number, since it is larger than the sum of its proper divisors (133733453197).

2221321022003 is a wasteful number, since it uses less digits than its factorization.

2221321022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841091041.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2221321022003 its reverse (3002201231222), we get a palindrome (5223522253225).

The spelling of 2221321022003 in words is "two trillion, two hundred twenty-one billion, three hundred twenty-one million, twenty-two thousand, three".