242330111 has 2 divisors, whose sum is σ = 242330112. Its totient is φ = 242330110.

The previous prime is 242330107. The next prime is 242330117. The reversal of 242330111 is 111033242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242330111 - 2² = 242330107 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242330111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242330117) 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, 121165055 + 121165056.

It is an arithmetic number, because the mean of its divisors is an integer number (121165056).

Almost surely, 2^242330111 is an apocalyptic number.

242330111 is a deficient number, since it is larger than the sum of its proper divisors (1).

242330111 is an equidigital number, since it uses as much as digits as its factorization.

242330111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 242330111 is about 15566.9557396429. The cubic root of 242330111 is about 623.4511931394.

Adding to 242330111 its reverse (111033242), we get a palindrome (353363353).

The spelling of 242330111 in words is "two hundred forty-two million, three hundred thirty thousand, one hundred eleven".