221103330223 has 2 divisors, whose sum is σ = 221103330224. Its totient is φ = 221103330222.

The previous prime is 221103330193. The next prime is 221103330241. The reversal of 221103330223 is 322033301122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221103330223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221103330194 and 221103330203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221103330263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110551665111 + 110551665112.

It is an arithmetic number, because the mean of its divisors is an integer number (110551665112).

Almost surely, 2^221103330223 is an apocalyptic number.

221103330223 is a deficient number, since it is larger than the sum of its proper divisors (1).

221103330223 is an equidigital number, since it uses as much as digits as its factorization.

221103330223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221103330223 its reverse (322033301122), we get a palindrome (543136631345).

The spelling of 221103330223 in words is "two hundred twenty-one billion, one hundred three million, three hundred thirty thousand, two hundred twenty-three".