11113103213 has 2 divisors, whose sum is σ = 11113103214. Its totient is φ = 11113103212.

The previous prime is 11113103189. The next prime is 11113103227. The reversal of 11113103213 is 31230131111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7465305604 + 3647797609 = 86402^2 + 60397^2 .

It is an emirp because it is prime and its reverse (31230131111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11113103213 - 2²⁴ = 11096325997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11113103191 and 11113103200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113103233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556551606 + 5556551607.

It is an arithmetic number, because the mean of its divisors is an integer number (5556551607).

Almost surely, 2^11113103213 is an apocalyptic number.

It is an amenable number.

11113103213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113103213 is an equidigital number, since it uses as much as digits as its factorization.

11113103213 is an evil number, because the sum of its binary digits is even.

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

Adding to 11113103213 its reverse (31230131111), we get a palindrome (42343234324).

The spelling of 11113103213 in words is "eleven billion, one hundred thirteen million, one hundred three thousand, two hundred thirteen".