220221120233 has 2 divisors, whose sum is σ = 220221120234. Its totient is φ = 220221120232.

The previous prime is 220221120211. The next prime is 220221120289. The reversal of 220221120233 is 332021122022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193667765929 + 26553354304 = 440077^2 + 162952^2 .

It is a cyclic number.

It is not a de Polignac number, because 220221120233 - 2⁸ = 220221119977 is a prime.

It is not a weakly prime, because it can be changed into another prime (220221125233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110560116 + 110110560117.

It is an arithmetic number, because the mean of its divisors is an integer number (110110560117).

Almost surely, 2^220221120233 is an apocalyptic number.

It is an amenable number.

220221120233 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221120233 is an equidigital number, since it uses as much as digits as its factorization.

220221120233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 220221120233 its reverse (332021122022), we get a palindrome (552242242255).

The spelling of 220221120233 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, two hundred thirty-three".