11321103113 has 4 divisors (see below), whose sum is σ = 11323159188. Its totient is φ = 11319047040.

The previous prime is 11321103071. The next prime is 11321103119. The reversal of 11321103113 is 31130112311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31130112311 = 353 ⋅88187287.

It can be written as a sum of positive squares in 2 ways, for example, as 1764672064 + 9556431049 = 42008^2 + 97757^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321103113 - 2⁶ = 11321103049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321103091 and 11321103100.

It is not an unprimeable number, because it can be changed into a prime (11321103119) 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, 1019756 + ... + 1030797.

It is an arithmetic number, because the mean of its divisors is an integer number (2830789797).

Almost surely, 2^11321103113 is an apocalyptic number.

It is an amenable number.

11321103113 is a deficient number, since it is larger than the sum of its proper divisors (2056075).

11321103113 is an equidigital number, since it uses as much as digits as its factorization.

11321103113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056074.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11321103113 its reverse (31130112311), we get a palindrome (42451215424).

The spelling of 11321103113 in words is "eleven billion, three hundred twenty-one million, one hundred three thousand, one hundred thirteen".