12242320111 has 4 divisors (see below), whose sum is σ = 13991222992. Its totient is φ = 10493417232.

The previous prime is 12242320087. The next prime is 12242320127. The reversal of 12242320111 is 11102324221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11102324221 = 31 ⋅358139491.

It is a cyclic number.

It is not a de Polignac number, because 12242320111 - 2¹¹ = 12242318063 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 (12242320171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874451430 + ... + 874451443.

It is an arithmetic number, because the mean of its divisors is an integer number (3497805748).

Almost surely, 2^12242320111 is an apocalyptic number.

12242320111 is a deficient number, since it is larger than the sum of its proper divisors (1748902881).

12242320111 is an equidigital number, since it uses as much as digits as its factorization.

12242320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748902880.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12242320111 its reverse (11102324221), we get a palindrome (23344644332).

The spelling of 12242320111 in words is "twelve billion, two hundred forty-two million, three hundred twenty thousand, one hundred eleven".