11323213220111 has 4 divisors (see below), whose sum is σ = 12194229621672. Its totient is φ = 10452196818552.

The previous prime is 11323213220087. The next prime is 11323213220119. The reversal of 11323213220111 is 11102231232311.

It is a happy number.

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 11323213220111 - 2³⁸ = 11048335313167 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 (11323213220119) 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, 435508200761 + ... + 435508200786.

It is an arithmetic number, because the mean of its divisors is an integer number (3048557405418).

Almost surely, 2^{11323213220111} is an apocalyptic number.

11323213220111 is a deficient number, since it is larger than the sum of its proper divisors (871016401561).

11323213220111 is an equidigital number, since it uses as much as digits as its factorization.

11323213220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871016401560.

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

Adding to 11323213220111 its reverse (11102231232311), we get a palindrome (22425444452422).

The spelling of 11323213220111 in words is "eleven trillion, three hundred twenty-three billion, two hundred thirteen million, two hundred twenty thousand, one hundred eleven".