221332033030243 has 2 divisors, whose sum is σ = 221332033030244. Its totient is φ = 221332033030242.

The previous prime is 221332033030193. The next prime is 221332033030249. The reversal of 221332033030243 is 342030330233122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221332033030243 is a prime.

It is not a weakly prime, because it can be changed into another prime (221332033030249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110666016515121 + 110666016515122.

It is an arithmetic number, because the mean of its divisors is an integer number (110666016515122).

Almost surely, 2^{221332033030243} is an apocalyptic number.

221332033030243 is a deficient number, since it is larger than the sum of its proper divisors (1).

221332033030243 is an equidigital number, since it uses as much as digits as its factorization.

221332033030243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 221332033030243 its reverse (342030330233122), we get a palindrome (563362363263365).

The spelling of 221332033030243 in words is "two hundred twenty-one trillion, three hundred thirty-two billion, thirty-three million, thirty thousand, two hundred forty-three".