1320210221227 has 2 divisors, whose sum is σ = 1320210221228. Its totient is φ = 1320210221226.

The previous prime is 1320210221203. The next prime is 1320210221233. The reversal of 1320210221227 is 7221220120231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320210221227 - 2²³ = 1320201832619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320210221237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660105110613 + 660105110614.

It is an arithmetic number, because the mean of its divisors is an integer number (660105110614).

Almost surely, 2^{1320210221227} is an apocalyptic number.

1320210221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320210221227 is an equidigital number, since it uses as much as digits as its factorization.

1320210221227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 1320210221227 its reverse (7221220120231), we get a palindrome (8541430341458).

The spelling of 1320210221227 in words is "one trillion, three hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred twenty-seven".