4304031421221 has 12 divisors (see below), whose sum is σ = 7105067743072. Its totient is φ = 2459446526376.

The previous prime is 4304031421177. The next prime is 4304031421243. The reversal of 4304031421221 is 1221241304034.

4304031421221 is a `hidden beast` number, since 4 + 3 + 0 + 403 + 14 + 21 + 221 = 666.

It is not a de Polignac number, because 4304031421221 - 2¹⁵ = 4304031388453 is a prime.

It is a super-2 number, since 2×4304031421221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4304031401221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34158979471 + ... + 34158979596.

Almost surely, 2^{4304031421221} is an apocalyptic number.

It is an amenable number.

4304031421221 is a deficient number, since it is larger than the sum of its proper divisors (2801036321851).

4304031421221 is a wasteful number, since it uses less digits than its factorization.

4304031421221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68317959080 (or 68317959077 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4304031421221 its reverse (1221241304034), we get a palindrome (5525272725255).

The spelling of 4304031421221 in words is "four trillion, three hundred four billion, thirty-one million, four hundred twenty-one thousand, two hundred twenty-one".