242503421111 has 8 divisors (see below), whose sum is σ = 279006813600. Its totient is φ = 206465040288.

The previous prime is 242503421099. The next prime is 242503421119. The reversal of 242503421111 is 111124305242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242503421111 - 2¹⁸ = 242503158967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242503421119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116251796 + ... + 116253881.

It is an arithmetic number, because the mean of its divisors is an integer number (34875851700).

Almost surely, 2^242503421111 is an apocalyptic number.

242503421111 is a deficient number, since it is larger than the sum of its proper divisors (36503392489).

242503421111 is a wasteful number, since it uses less digits than its factorization.

242503421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232505833.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 242503421111 its reverse (111124305242), we get a palindrome (353627726353).

The spelling of 242503421111 in words is "two hundred forty-two billion, five hundred three million, four hundred twenty-one thousand, one hundred eleven".