221331210003 has 12 divisors (see below), whose sum is σ = 320854794208. Its totient is φ = 147021451920.

The previous prime is 221331209993. The next prime is 221331210011. The reversal of 221331210003 is 300012133122.

It is not a de Polignac number, because 221331210003 - 2⁴ = 221331209987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221331200003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44388043 + ... + 44393028.

Almost surely, 2^221331210003 is an apocalyptic number.

221331210003 is a deficient number, since it is larger than the sum of its proper divisors (99523584205).

221331210003 is a wasteful number, since it uses less digits than its factorization.

221331210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88781354 (or 88781351 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 221331210003 its reverse (300012133122), we get a palindrome (521343343125).

The spelling of 221331210003 in words is "two hundred twenty-one billion, three hundred thirty-one million, two hundred ten thousand, three".