2121304410304 has 56 divisors (see below), whose sum is σ = 4253444495888. Its totient is φ = 1049573376000.

The previous prime is 2121304410287. The next prime is 2121304410343. The reversal of 2121304410304 is 4030144031212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55859227 + ... + 55897189.

It is an arithmetic number, because the mean of its divisors is an integer number (75954365998).

Almost surely, 2^{2121304410304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2121304410304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2126722247944).

2121304410304 is an abundant number, since it is smaller than the sum of its proper divisors (2132140085584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121304410304 is an equidigital number, since it uses as much as digits as its factorization.

2121304410304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47073 (or 47063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2121304410304 its reverse (4030144031212), we get a palindrome (6151448441516).

The spelling of 2121304410304 in words is "two trillion, one hundred twenty-one billion, three hundred four million, four hundred ten thousand, three hundred four".