1320210221233 has 2 divisors, whose sum is σ = 1320210221234. Its totient is φ = 1320210221232.

The previous prime is 1320210221227. The next prime is 1320210221237. The reversal of 1320210221233 is 3321220120231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978461245584 + 341748975649 = 989172^2 + 584593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320210221233 - 2¹⁷ = 1320210090161 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 polite number, since it can be written as a sum of consecutive naturals, namely, 660105110616 + 660105110617.

It is an arithmetic number, because the mean of its divisors is an integer number (660105110617).

Almost surely, 2^{1320210221233} is an apocalyptic number.

It is an amenable number.

1320210221233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320210221233 is an equidigital number, since it uses as much as digits as its factorization.

1320210221233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1320210221233 its reverse (3321220120231), we get a palindrome (4641430341464).

The spelling of 1320210221233 in words is "one trillion, three hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirty-three".