242204111 has 2 divisors, whose sum is σ = 242204112. Its totient is φ = 242204110.

The previous prime is 242204107. The next prime is 242204141. The reversal of 242204111 is 111402242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242204111 - 2² = 242204107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242204111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242204141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121102055 + 121102056.

It is an arithmetic number, because the mean of its divisors is an integer number (121102056).

Almost surely, 2^242204111 is an apocalyptic number.

242204111 is a deficient number, since it is larger than the sum of its proper divisors (1).

242204111 is an equidigital number, since it uses as much as digits as its factorization.

242204111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 242204111 is about 15562.9081793860. The cubic root of 242204111 is about 623.3431195301.

Adding to 242204111 its reverse (111402242), we get a palindrome (353606353).

The spelling of 242204111 in words is "two hundred forty-two million, two hundred four thousand, one hundred eleven".