1323120210611 has 2 divisors, whose sum is σ = 1323120210612. Its totient is φ = 1323120210610.

The previous prime is 1323120210589. The next prime is 1323120210613. The reversal of 1323120210611 is 1160120213231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323120210611 - 2⁶ = 1323120210547 is a prime.

Together with 1323120210613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1323120210613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661560105305 + 661560105306.

It is an arithmetic number, because the mean of its divisors is an integer number (661560105306).

Almost surely, 2^{1323120210611} is an apocalyptic number.

1323120210611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323120210611 is an equidigital number, since it uses as much as digits as its factorization.

1323120210611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1323120210611 its reverse (1160120213231), we get a palindrome (2483240423842).

The spelling of 1323120210611 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred ten thousand, six hundred eleven".