242103540121 has 16 divisors (see below), whose sum is σ = 259017018624. Its totient is φ = 225490097664.

The previous prime is 242103540083. The next prime is 242103540143. The reversal of 242103540121 is 121045301242.

It is not a de Polignac number, because 242103540121 - 2¹¹ = 242103538073 is a prime.

It is a super-2 number, since 2×242103540121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242103540181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460940 + ... + 2557426.

It is an arithmetic number, because the mean of its divisors is an integer number (16188563664).

Almost surely, 2^242103540121 is an apocalyptic number.

It is an amenable number.

242103540121 is a deficient number, since it is larger than the sum of its proper divisors (16913478503).

242103540121 is a wasteful number, since it uses less digits than its factorization.

242103540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98040.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 242103540121 its reverse (121045301242), we get a palindrome (363148841363).

The spelling of 242103540121 in words is "two hundred forty-two billion, one hundred three million, five hundred forty thousand, one hundred twenty-one".