11234221613 has 2 divisors, whose sum is σ = 11234221614. Its totient is φ = 11234221612.

The previous prime is 11234221597. The next prime is 11234221651. The reversal of 11234221613 is 31612243211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6961899844 + 4272321769 = 83438^2 + 65363^2 .

It is a cyclic number.

It is not a de Polignac number, because 11234221613 - 2⁴ = 11234221597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11234281613) 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 as a sum of consecutive naturals, namely, 5617110806 + 5617110807.

It is an arithmetic number, because the mean of its divisors is an integer number (5617110807).

Almost surely, 2^11234221613 is an apocalyptic number.

It is an amenable number.

11234221613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11234221613 is an equidigital number, since it uses as much as digits as its factorization.

11234221613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

Adding to 11234221613 its reverse (31612243211), we get a palindrome (42846464824).

The spelling of 11234221613 in words is "eleven billion, two hundred thirty-four million, two hundred twenty-one thousand, six hundred thirteen".