4304041421221 has 8 divisors (see below), whose sum is σ = 4332698309888. Its totient is φ = 4275386550000.

The previous prime is 4304041421161. The next prime is 4304041421231. The reversal of 4304041421221 is 1221241404034.

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 4304041421221 - 2¹¹ = 4304041419173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4304041421221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304041421231) 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, 3904516 + ... + 4883986.

It is an arithmetic number, because the mean of its divisors is an integer number (541587288736).

Almost surely, 2^{4304041421221} is an apocalyptic number.

It is an amenable number.

4304041421221 is a deficient number, since it is larger than the sum of its proper divisors (28656888667).

4304041421221 is a wasteful number, since it uses less digits than its factorization.

4304041421221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008723.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4304041421221 its reverse (1221241404034), we get a palindrome (5525282825255).

The spelling of 4304041421221 in words is "four trillion, three hundred four billion, forty-one million, four hundred twenty-one thousand, two hundred twenty-one".