4321001234021 has 8 divisors (see below), whose sum is σ = 4361427902304. Its totient is φ = 4280575371120.

The previous prime is 4321001234003. The next prime is 4321001234023. The reversal of 4321001234021 is 1204321001234.

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 4321001234021 - 2¹⁰ = 4321001232997 is a prime.

It is a super-2 number, since 2×4321001234021² (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 (4321001234023) 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, 20187266 + ... + 20400188.

It is an arithmetic number, because the mean of its divisors is an integer number (545178487788).

Almost surely, 2^{4321001234021} is an apocalyptic number.

It is an amenable number.

4321001234021 is a deficient number, since it is larger than the sum of its proper divisors (40426668283).

4321001234021 is a wasteful number, since it uses less digits than its factorization.

4321001234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402691.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4321001234021 its reverse (1204321001234), we get a palindrome (5525322235255).

The spelling of 4321001234021 in words is "four trillion, three hundred twenty-one billion, one million, two hundred thirty-four thousand, twenty-one".