242121345113 has 8 divisors (see below), whose sum is σ = 244529695488. Its totient is φ = 239714103744.

The previous prime is 242121345083. The next prime is 242121345121. The reversal of 242121345113 is 311543121242.

It is a happy number.

242121345113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242121345113 - 2¹⁰ = 242121344089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242121345413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165056 + ... + 715182.

It is an arithmetic number, because the mean of its divisors is an integer number (30566211936).

Almost surely, 2^242121345113 is an apocalyptic number.

It is an amenable number.

242121345113 is a deficient number, since it is larger than the sum of its proper divisors (2408350375).

242121345113 is a wasteful number, since it uses less digits than its factorization.

242121345113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554503.

The product of its digits is 5760, while the sum is 29.

Adding to 242121345113 its reverse (311543121242), we get a palindrome (553664466355).

The spelling of 242121345113 in words is "two hundred forty-two billion, one hundred twenty-one million, three hundred forty-five thousand, one hundred thirteen".