11323114021 has 4 divisors (see below), whose sum is σ = 11385672844. Its totient is φ = 11260555200.

The previous prime is 11323114013. The next prime is 11323114031. The reversal of 11323114021 is 12041132311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 121220100 + 11201893921 = 11010^2 + 105839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323114021 - 2³ = 11323114013 is a prime.

It is a super-2 number, since 2×11323114021² (a number of 21 digits) contains 22 as substring.

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 11323114021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323114031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31279140 + ... + 31279501.

It is an arithmetic number, because the mean of its divisors is an integer number (2846418211).

Almost surely, 2^11323114021 is an apocalyptic number.

It is an amenable number.

11323114021 is a deficient number, since it is larger than the sum of its proper divisors (62558823).

11323114021 is an equidigital number, since it uses as much as digits as its factorization.

11323114021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62558822.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11323114021 its reverse (12041132311), we get a palindrome (23364246332).

The spelling of 11323114021 in words is "eleven billion, three hundred twenty-three million, one hundred fourteen thousand, twenty-one".