4042340201021 has 8 divisors (see below), whose sum is σ = 4052685817440. Its totient is φ = 4032000084112.

The previous prime is 4042340201017. The next prime is 4042340201041. The reversal of 4042340201021 is 1201020432404.

4042340201021 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 4042340201021 - 2² = 4042340201017 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 (4042340201041) 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, 99095 + ... + 2845083.

It is an arithmetic number, because the mean of its divisors is an integer number (506585727180).

Almost surely, 2^{4042340201021} is an apocalyptic number.

It is an amenable number.

4042340201021 is a deficient number, since it is larger than the sum of its proper divisors (10345616419).

4042340201021 is a wasteful number, since it uses less digits than its factorization.

4042340201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749755.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4042340201021 its reverse (1201020432404), we get a palindrome (5243360633425).

The spelling of 4042340201021 in words is "four trillion, forty-two billion, three hundred forty million, two hundred one thousand, twenty-one".