11112332213 has 4 divisors (see below), whose sum is σ = 11383364748. Its totient is φ = 10841299680.

The previous prime is 11112332177. The next prime is 11112332219. The reversal of 11112332213 is 31223321111.

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: 31223321111 = 151 ⋅206776961.

It can be written as a sum of positive squares in 2 ways, for example, as 162384049 + 10949948164 = 12743^2 + 104642^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112332213 - 2⁸ = 11112331957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112332219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135516206 + ... + 135516287.

It is an arithmetic number, because the mean of its divisors is an integer number (2845841187).

Almost surely, 2^11112332213 is an apocalyptic number.

It is an amenable number.

11112332213 is a deficient number, since it is larger than the sum of its proper divisors (271032535).

11112332213 is an equidigital number, since it uses as much as digits as its factorization.

11112332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271032534.

The product of its digits is 216, while the sum is 20.

Adding to 11112332213 its reverse (31223321111), we get a palindrome (42335653324).

The spelling of 11112332213 in words is "eleven billion, one hundred twelve million, three hundred thirty-two thousand, two hundred thirteen".