221320001023337 has 2 divisors, whose sum is σ = 221320001023338. Its totient is φ = 221320001023336.

The previous prime is 221320001023309. The next prime is 221320001023393. The reversal of 221320001023337 is 733320100023122.

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., 180218515853401 + 41101485169936 = 13424549^2 + 6411044^2 .

It is a cyclic number.

It is not a de Polignac number, because 221320001023337 - 2⁶ = 221320001023273 is a prime.

It is not a weakly prime, because it can be changed into another prime (221320001023237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110660000511668 + 110660000511669.

It is an arithmetic number, because the mean of its divisors is an integer number (110660000511669).

Almost surely, 2^{221320001023337} is an apocalyptic number.

It is an amenable number.

221320001023337 is a deficient number, since it is larger than the sum of its proper divisors (1).

221320001023337 is an equidigital number, since it uses as much as digits as its factorization.

221320001023337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 221320001023337 its reverse (733320100023122), we get a palindrome (954640101046459).

The spelling of 221320001023337 in words is "two hundred twenty-one trillion, three hundred twenty billion, one million, twenty-three thousand, three hundred thirty-seven".