221330230110307 has 2 divisors, whose sum is σ = 221330230110308. Its totient is φ = 221330230110306.

The previous prime is 221330230110247. The next prime is 221330230110337. The reversal of 221330230110307 is 703011032033122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221330230110307 - 2²³ = 221330221721699 is a prime.

It is not a weakly prime, because it can be changed into another prime (221330230110337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110665115055153 + 110665115055154.

It is an arithmetic number, because the mean of its divisors is an integer number (110665115055154).

Almost surely, 2^{221330230110307} is an apocalyptic number.

221330230110307 is a deficient number, since it is larger than the sum of its proper divisors (1).

221330230110307 is an equidigital number, since it uses as much as digits as its factorization.

221330230110307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 221330230110307 its reverse (703011032033122), we get a palindrome (924341262143429).

The spelling of 221330230110307 in words is "two hundred twenty-one trillion, three hundred thirty billion, two hundred thirty million, one hundred ten thousand, three hundred seven".