4042144120021 has 8 divisors (see below), whose sum is σ = 4624065305024. Its totient is φ = 3461340941280.

The previous prime is 4042144120019. The next prime is 4042144120033. The reversal of 4042144120021 is 1200214412404.

It is a happy number.

4042144120021 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 4042144120021 - 2¹ = 4042144120019 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 (4042144120921) 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, 279493815 + ... + 279508276.

It is an arithmetic number, because the mean of its divisors is an integer number (578008163128).

Almost surely, 2^{4042144120021} is an apocalyptic number.

It is an amenable number.

4042144120021 is a deficient number, since it is larger than the sum of its proper divisors (581921185003).

4042144120021 is a wasteful number, since it uses less digits than its factorization.

4042144120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559003131.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 4042144120021 its reverse (1200214412404), we get a palindrome (5242358532425).

The spelling of 4042144120021 in words is "four trillion, forty-two billion, one hundred forty-four million, one hundred twenty thousand, twenty-one".