242111020243 has 2 divisors, whose sum is σ = 242111020244. Its totient is φ = 242111020242.

The previous prime is 242111020181. The next prime is 242111020271. The reversal of 242111020243 is 342020111242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242111020243 - 2¹³ = 242111012051 is a prime.

It is a super-2 number, since 2×242111020243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242111020273) 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 as a sum of consecutive naturals, namely, 121055510121 + 121055510122.

It is an arithmetic number, because the mean of its divisors is an integer number (121055510122).

Almost surely, 2^242111020243 is an apocalyptic number.

242111020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

242111020243 is an equidigital number, since it uses as much as digits as its factorization.

242111020243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 242111020243 its reverse (342020111242), we get a palindrome (584131131485).

Subtracting 242111020243 from its reverse (342020111242), we obtain a palindrome (99909090999).

The spelling of 242111020243 in words is "two hundred forty-two billion, one hundred eleven million, twenty thousand, two hundred forty-three".