242203111 has 2 divisors, whose sum is σ = 242203112. Its totient is φ = 242203110.

The previous prime is 242203103. The next prime is 242203121. The reversal of 242203111 is 111302242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242203111 - 2³ = 242203103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242203121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121101555 + 121101556.

It is an arithmetic number, because the mean of its divisors is an integer number (121101556).

Almost surely, 2^242203111 is an apocalyptic number.

242203111 is a deficient number, since it is larger than the sum of its proper divisors (1).

242203111 is an equidigital number, since it uses as much as digits as its factorization.

242203111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 242203111 is about 15562.8760516815. The cubic root of 242203111 is about 623.3422616532.

Adding to 242203111 its reverse (111302242), we get a palindrome (353505353).

The spelling of 242203111 in words is "two hundred forty-two million, two hundred three thousand, one hundred eleven".