242361811111 has 16 divisors (see below), whose sum is σ = 278893189120. Its totient is φ = 206310615840.

The previous prime is 242361811073. The next prime is 242361811121. The reversal of 242361811111 is 111118163242.

It is a happy number.

It is not a de Polignac number, because 242361811111 - 2¹⁹ = 242361286823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242361811121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806890 + ... + 1065736.

It is an arithmetic number, because the mean of its divisors is an integer number (17430824320).

Almost surely, 2^242361811111 is an apocalyptic number.

242361811111 is a deficient number, since it is larger than the sum of its proper divisors (36531378009).

242361811111 is a wasteful number, since it uses less digits than its factorization.

242361811111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259774.

The product of its digits is 2304, while the sum is 31.

Adding to 242361811111 its reverse (111118163242), we get a palindrome (353479974353).

The spelling of 242361811111 in words is "two hundred forty-two billion, three hundred sixty-one million, eight hundred eleven thousand, one hundred eleven".