4003122343221 has 24 divisors (see below), whose sum is σ = 5916976665600. Its totient is φ = 2606588703936.

The previous prime is 4003122343201. The next prime is 4003122343301. The reversal of 4003122343221 is 1223432213004.

4003122343221 is a `hidden beast` number, since 4 + 0 + 0 + 3 + 1 + 223 + 432 + 2 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-4003122343221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003122343201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11267505 + ... + 11617353.

It is an arithmetic number, because the mean of its divisors is an integer number (246540694400).

Almost surely, 2^{4003122343221} is an apocalyptic number.

It is an amenable number.

4003122343221 is a deficient number, since it is larger than the sum of its proper divisors (1913854322379).

4003122343221 is a wasteful number, since it uses less digits than its factorization.

4003122343221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379465 (or 379462 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4003122343221 its reverse (1223432213004), we get a palindrome (5226554556225).

The spelling of 4003122343221 in words is "four trillion, three billion, one hundred twenty-two million, three hundred forty-three thousand, two hundred twenty-one".