11213113 has 2 divisors, whose sum is σ = 11213114. Its totient is φ = 11213112.

The previous prime is 11213093. The next prime is 11213117. The reversal of 11213113 is 31131211.

11213113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11102224 + 110889 = 3332^2 + 333^2 .

It is an emirp because it is prime and its reverse (31131211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11213113 - 2⁹ = 11212601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11213093 and 11213102.

It is not a weakly prime, because it can be changed into another prime (11213117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606556 + 5606557.

It is an arithmetic number, because the mean of its divisors is an integer number (5606557).

Almost surely, 2^11213113 is an apocalyptic number.

It is an amenable number.

11213113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213113 is an equidigital number, since it uses as much as digits as its factorization.

11213113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18, while the sum is 13.

The square root of 11213113 is about 3348.5986621272. The cubic root of 11213113 is about 223.8250720284.

Adding to 11213113 its reverse (31131211), we get a palindrome (42344324).

It can be divided in two parts, 112 and 13113, that added together give a square (13225 = 115²).

The spelling of 11213113 in words is "eleven million, two hundred thirteen thousand, one hundred thirteen".