221002330321323 has 12 divisors (see below), whose sum is σ = 320879606836360. Its totient is φ = 146571493683456.

The previous prime is 221002330321309. The next prime is 221002330321369. The reversal of 221002330321323 is 323123033200122.

221002330321323 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 0 + 2 + 330 + 3 + 2 + 1 + 323 = 666.

It is not a de Polignac number, because 221002330321323 - 2⁴ = 221002330321307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221002330321373) 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, 63616097953 + ... + 63616101426.

Almost surely, 2^{221002330321323} is an apocalyptic number.

221002330321323 is a deficient number, since it is larger than the sum of its proper divisors (99877276515037).

221002330321323 is a wasteful number, since it uses less digits than its factorization.

221002330321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127232199578 (or 127232199575 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 221002330321323 its reverse (323123033200122), we get a palindrome (544125363521445).

The spelling of 221002330321323 in words is "two hundred twenty-one trillion, two billion, three hundred thirty million, three hundred twenty-one thousand, three hundred twenty-three".