242120333121 has 8 divisors (see below), whose sum is σ = 326023419264. Its totient is φ = 159815401200.

The previous prime is 242120333111. The next prime is 242120333123. The reversal of 242120333121 is 121333021242.

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

It is not a de Polignac number, because 242120333121 - 2¹¹ = 242120331073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242120333091 and 242120333100.

It is not an unprimeable number, because it can be changed into a prime (242120333123) 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, 399538201 + ... + 399538806.

It is an arithmetic number, because the mean of its divisors is an integer number (40752927408).

Almost surely, 2^242120333121 is an apocalyptic number.

It is an amenable number.

242120333121 is a deficient number, since it is larger than the sum of its proper divisors (83903086143).

242120333121 is a wasteful number, since it uses less digits than its factorization.

242120333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799077111.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 242120333121 its reverse (121333021242), we get a palindrome (363453354363).

The spelling of 242120333121 in words is "two hundred forty-two billion, one hundred twenty million, three hundred thirty-three thousand, one hundred twenty-one".