2104223452321 has 4 divisors (see below), whose sum is σ = 2129575542192. Its totient is φ = 2078871362452.

The previous prime is 2104223452259. The next prime is 2104223452349. The reversal of 2104223452321 is 1232543224012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104223452321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104223450321) 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, 12676044811 + ... + 12676044976.

It is an arithmetic number, because the mean of its divisors is an integer number (532393885548).

Almost surely, 2^{2104223452321} is an apocalyptic number.

It is an amenable number.

2104223452321 is a deficient number, since it is larger than the sum of its proper divisors (25352089871).

2104223452321 is an equidigital number, since it uses as much as digits as its factorization.

2104223452321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25352089870.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2104223452321 its reverse (1232543224012), we get a palindrome (3336766676333).

The spelling of 2104223452321 in words is "two trillion, one hundred four billion, two hundred twenty-three million, four hundred fifty-two thousand, three hundred twenty-one".