1002041044321 has 8 divisors (see below), whose sum is σ = 1045669863744. Its totient is φ = 958417376400.

The previous prime is 1002041044271. The next prime is 1002041044349. The reversal of 1002041044321 is 1234401402001.

It is a happy number.

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 1002041044321 - 2¹⁵ = 1002041011553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002041044292 and 1002041044301.

It is not an unprimeable number, because it can be changed into a prime (1002041044421) 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, 887730 + ... + 1670971.

It is an arithmetic number, because the mean of its divisors is an integer number (130708732968).

Almost surely, 2^{1002041044321} is an apocalyptic number.

It is an amenable number.

1002041044321 is a deficient number, since it is larger than the sum of its proper divisors (43628819423).

1002041044321 is a wasteful number, since it uses less digits than its factorization.

1002041044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575751.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1002041044321 its reverse (1234401402001), we get a palindrome (2236442446322).

The spelling of 1002041044321 in words is "one trillion, two billion, forty-one million, forty-four thousand, three hundred twenty-one".