242111411 has 2 divisors, whose sum is σ = 242111412. Its totient is φ = 242111410.

The previous prime is 242111393. The next prime is 242111413. The reversal of 242111411 is 114111242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242111411 is a prime.

Together with 242111413, it forms a pair of twin primes.

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 242111411.

It is not a weakly prime, because it can be changed into another prime (242111413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121055705 + 121055706.

It is an arithmetic number, because the mean of its divisors is an integer number (121055706).

Almost surely, 2^242111411 is an apocalyptic number.

242111411 is a deficient number, since it is larger than the sum of its proper divisors (1).

242111411 is an equidigital number, since it uses as much as digits as its factorization.

242111411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 17.

The square root of 242111411 is about 15559.9296592240. The cubic root of 242111411 is about 623.2635842978.

Adding to 242111411 its reverse (114111242), we get a palindrome (356222653).

The spelling of 242111411 in words is "two hundred forty-two million, one hundred eleven thousand, four hundred eleven".