1323111303111 has 8 divisors (see below), whose sum is σ = 1899852127600. Its totient is φ = 814222340352.

The previous prime is 1323111303109. The next prime is 1323111303167. The reversal of 1323111303111 is 1113031113231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323111303111 - 2¹ = 1323111303109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323111301111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16962965386 + ... + 16962965463.

It is an arithmetic number, because the mean of its divisors is an integer number (237481515950).

Almost surely, 2^{1323111303111} is an apocalyptic number.

1323111303111 is a deficient number, since it is larger than the sum of its proper divisors (576740824489).

1323111303111 is a wasteful number, since it uses less digits than its factorization.

1323111303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33925930865.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1323111303111 its reverse (1113031113231), we get a palindrome (2436142416342).

The spelling of 1323111303111 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, three hundred three thousand, one hundred eleven".