1323331120011 has 4 divisors (see below), whose sum is σ = 1764441493352. Its totient is φ = 882220746672.

The previous prime is 1323331119991. The next prime is 1323331120031. The reversal of 1323331120011 is 1100211333231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1323331119991) and next prime (1323331120031).

It is a de Polignac number, because none of the positive numbers 2^k-1323331120011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323331120011.

It is not an unprimeable number, because it can be changed into a prime (1323331120031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220555186666 + ... + 220555186671.

It is an arithmetic number, because the mean of its divisors is an integer number (441110373338).

Almost surely, 2^{1323331120011} is an apocalyptic number.

1323331120011 is a deficient number, since it is larger than the sum of its proper divisors (441110373341).

1323331120011 is an equidigital number, since it uses as much as digits as its factorization.

1323331120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441110373340.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1323331120011 its reverse (1100211333231), we get a palindrome (2423542453242).

The spelling of 1323331120011 in words is "one trillion, three hundred twenty-three billion, three hundred thirty-one million, one hundred twenty thousand, eleven".