1323133112011 has 4 divisors (see below), whose sum is σ = 1323137260224. Its totient is φ = 1323128963800.

The previous prime is 1323133111987. The next prime is 1323133112039. The reversal of 1323133112011 is 1102113313231.

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

It is a cyclic number.

It is not a de Polignac number, because 1323133112011 - 2¹⁵ = 1323133079243 is a prime.

It is a super-3 number, since 3×1323133112011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323130112011) 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 in 3 ways as a sum of consecutive naturals, for example, 1551820 + ... + 2248201.

It is an arithmetic number, because the mean of its divisors is an integer number (330784315056).

Almost surely, 2^{1323133112011} is an apocalyptic number.

1323133112011 is a deficient number, since it is larger than the sum of its proper divisors (4148213).

1323133112011 is an equidigital number, since it uses as much as digits as its factorization.

1323133112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148212.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1323133112011 its reverse (1102113313231), we get a palindrome (2425246425242).

The spelling of 1323133112011 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-three million, one hundred twelve thousand, eleven".