1003220002321 has 12 divisors (see below), whose sum is σ = 1066788729792. Its totient is φ = 943246257728.

The previous prime is 1003220002303. The next prime is 1003220002331. The reversal of 1003220002321 is 1232000223001.

It is not a de Polignac number, because 1003220002321 - 2⁵ = 1003220002289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003220002295 and 1003220002304.

It is not an unprimeable number, because it can be changed into a prime (1003220002331) 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 11 ways as a sum of consecutive naturals, for example, 1481605 + ... + 2049778.

It is an arithmetic number, because the mean of its divisors is an integer number (88899060816).

Almost surely, 2^{1003220002321} is an apocalyptic number.

It is an amenable number.

1003220002321 is a deficient number, since it is larger than the sum of its proper divisors (63568727471).

1003220002321 is an equidigital number, since it uses as much as digits as its factorization.

1003220002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532400 (or 3532383 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1003220002321 its reverse (1232000223001), we get a palindrome (2235220225322).

The spelling of 1003220002321 in words is "one trillion, three billion, two hundred twenty million, two thousand, three hundred twenty-one".