2304203114221 has 4 divisors (see below), whose sum is σ = 2347678644732. Its totient is φ = 2260727583712.

The previous prime is 2304203114209. The next prime is 2304203114267. The reversal of 2304203114221 is 1224113024032.

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 1060253258596 + 1243949855625 = 1029686^2 + 1115325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2304203114221 - 2³¹ = 2302055630573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304203114201) 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, 21737765176 + ... + 21737765281.

It is an arithmetic number, because the mean of its divisors is an integer number (586919661183).

Almost surely, 2^{2304203114221} is an apocalyptic number.

It is an amenable number.

2304203114221 is a deficient number, since it is larger than the sum of its proper divisors (43475530511).

2304203114221 is an equidigital number, since it uses as much as digits as its factorization.

2304203114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43475530510.

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

Adding to 2304203114221 its reverse (1224113024032), we get a palindrome (3528316138253).

The spelling of 2304203114221 in words is "two trillion, three hundred four billion, two hundred three million, one hundred fourteen thousand, two hundred twenty-one".