2104104321 has 24 divisors (see below), whose sum is σ = 3325449504. Its totient is φ = 1271410560.

The previous prime is 2104104313. The next prime is 2104104341. The reversal of 2104104321 is 1234014012.

2104104321 is a `hidden beast` number, since 210 + 410 + 43 + 2 + 1 = 666.

It is not a de Polignac number, because 2104104321 - 2³ = 2104104313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104104294 and 2104104303.

It is not an unprimeable number, because it can be changed into a prime (2104104311) 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, 1830 + ... + 64896.

It is an arithmetic number, because the mean of its divisors is an integer number (138560396).

Almost surely, 2^2104104321 is an apocalyptic number.

It is an amenable number.

2104104321 is a deficient number, since it is larger than the sum of its proper divisors (1221345183).

2104104321 is a wasteful number, since it uses less digits than its factorization.

2104104321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63421 (or 63418 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2104104321 is about 45870.5169035624. The cubic root of 2104104321 is about 1281.4128931709.

Adding to 2104104321 its reverse (1234014012), we get a palindrome (3338118333).

The spelling of 2104104321 in words is "two billion, one hundred four million, one hundred four thousand, three hundred twenty-one".