4021210004421 has 8 divisors (see below), whose sum is σ = 5389393720000. Its totient is φ = 2666916479232.

The previous prime is 4021210004393. The next prime is 4021210004423. The reversal of 4021210004421 is 1244000121204.

4021210004421 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 not a de Polignac number, because 4021210004421 - 2¹¹ = 4021210002373 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 (4021210004423) 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, 3472546921 + ... + 3472548078.

It is an arithmetic number, because the mean of its divisors is an integer number (673674215000).

Almost surely, 2^{4021210004421} is an apocalyptic number.

It is an amenable number.

4021210004421 is a deficient number, since it is larger than the sum of its proper divisors (1368183715579).

4021210004421 is a wasteful number, since it uses less digits than its factorization.

4021210004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945095195.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 4021210004421 its reverse (1244000121204), we get a palindrome (5265210125625).

The spelling of 4021210004421 in words is "four trillion, twenty-one billion, two hundred ten million, four thousand, four hundred twenty-one".