11213122304113 has 4 divisors (see below), whose sum is σ = 11599781693940. Its totient is φ = 10826462914288.

The previous prime is 11213122303993. The next prime is 11213122304159. The reversal of 11213122304113 is 31140322131211.

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 6751932008704 + 4461190295409 = 2598448^2 + 2112153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11213122304113 is a prime.

It is a super-2 number, since 2×11213122304113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213122304173) 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, 193329694870 + ... + 193329694927.

It is an arithmetic number, because the mean of its divisors is an integer number (2899945423485).

Almost surely, 2^{11213122304113} is an apocalyptic number.

It is an amenable number.

11213122304113 is a deficient number, since it is larger than the sum of its proper divisors (386659389827).

11213122304113 is an equidigital number, since it uses as much as digits as its factorization.

11213122304113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386659389826.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11213122304113 its reverse (31140322131211), we get a palindrome (42353444435324).

The spelling of 11213122304113 in words is "eleven trillion, two hundred thirteen billion, one hundred twenty-two million, three hundred four thousand, one hundred thirteen".