1003220020321 has 8 divisors (see below), whose sum is σ = 1039545034880. Its totient is φ = 967485656592.

The previous prime is 1003220020289. The next prime is 1003220020343. The reversal of 1003220020321 is 1230200223001.

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 1003220020321 - 2⁵ = 1003220020289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003220020295 and 1003220020304.

It is not an unprimeable number, because it can be changed into a prime (1003220020391) 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, 147659250 + ... + 147666043.

It is an arithmetic number, because the mean of its divisors is an integer number (129943129360).

Almost surely, 2^{1003220020321} is an apocalyptic number.

It is an amenable number.

1003220020321 is a deficient number, since it is larger than the sum of its proper divisors (36325014559).

1003220020321 is an equidigital number, since it uses as much as digits as its factorization.

1003220020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295325415.

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

Adding to 1003220020321 its reverse (1230200223001), we get a palindrome (2233420243322).

The spelling of 1003220020321 in words is "one trillion, three billion, two hundred twenty million, twenty thousand, three hundred twenty-one".