42241304143121 has 4 divisors (see below), whose sum is σ = 43382961011892. Its totient is φ = 41099647274352.

The previous prime is 42241304143109. The next prime is 42241304143123. The reversal of 42241304143121 is 12134140314224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38779713656896 + 3461590486225 = 6227336^2 + 1860535^2 .

It is a cyclic number.

It is not a de Polignac number, because 42241304143121 - 2¹⁰ = 42241304142097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42241304143123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570828434330 + ... + 570828434403.

It is an arithmetic number, because the mean of its divisors is an integer number (10845740252973).

Almost surely, 2^{42241304143121} is an apocalyptic number.

It is an amenable number.

42241304143121 is a deficient number, since it is larger than the sum of its proper divisors (1141656868771).

42241304143121 is a wasteful number, since it uses less digits than its factorization.

42241304143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141656868770.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 42241304143121 its reverse (12134140314224), we get a palindrome (54375444457345).

The spelling of 42241304143121 in words is "forty-two trillion, two hundred forty-one billion, three hundred four million, one hundred forty-three thousand, one hundred twenty-one".