11321201113 has 4 divisors (see below), whose sum is σ = 11347347508. Its totient is φ = 11295054720.

The previous prime is 11321201063. The next prime is 11321201141. The reversal of 11321201113 is 31110212311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31110212311 = 116827 ⋅266293.

It can be written as a sum of positive squares in 2 ways, for example, as 3265779609 + 8055421504 = 57147^2 + 89752^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321201113 - 2⁹ = 11321200601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321201183) 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, 13072548 + ... + 13073413.

It is an arithmetic number, because the mean of its divisors is an integer number (2836836877).

Almost surely, 2^11321201113 is an apocalyptic number.

It is an amenable number.

11321201113 is a deficient number, since it is larger than the sum of its proper divisors (26146395).

11321201113 is an equidigital number, since it uses as much as digits as its factorization.

11321201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26146394.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11321201113 its reverse (31110212311), we get a palindrome (42431413424).

The spelling of 11321201113 in words is "eleven billion, three hundred twenty-one million, two hundred one thousand, one hundred thirteen".