1323100111111 has 2 divisors, whose sum is σ = 1323100111112. Its totient is φ = 1323100111110.

The previous prime is 1323100111079. The next prime is 1323100111121. The reversal of 1323100111111 is 1111110013231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323100111111 - 2⁵ = 1323100111079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323100111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661550055555 + 661550055556.

It is an arithmetic number, because the mean of its divisors is an integer number (661550055556).

Almost surely, 2^{1323100111111} is an apocalyptic number.

1323100111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323100111111 is an equidigital number, since it uses as much as digits as its factorization.

1323100111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1323100111111 its reverse (1111110013231), we get a palindrome (2434210124342).

The spelling of 1323100111111 in words is "one trillion, three hundred twenty-three billion, one hundred million, one hundred eleven thousand, one hundred eleven".