4032104021321 has 4 divisors (see below), whose sum is σ = 4032322215444. Its totient is φ = 4031885827200.

The previous prime is 4032104021273. The next prime is 4032104021327. The reversal of 4032104021321 is 1231204012304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1550612695696 + 2481491325625 = 1245236^2 + 1575275^2 .

It is a cyclic number.

It is not a de Polignac number, because 4032104021321 - 2¹⁰ = 4032104020297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4032104021327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109069340 + ... + 109106301.

It is an arithmetic number, because the mean of its divisors is an integer number (1008080553861).

Almost surely, 2^{4032104021321} is an apocalyptic number.

It is an amenable number.

4032104021321 is a deficient number, since it is larger than the sum of its proper divisors (218194123).

4032104021321 is a wasteful number, since it uses less digits than its factorization.

4032104021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218194122.

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

Adding to 4032104021321 its reverse (1231204012304), we get a palindrome (5263308033625).

The spelling of 4032104021321 in words is "four trillion, thirty-two billion, one hundred four million, twenty-one thousand, three hundred twenty-one".