2300204042221 has 4 divisors (see below), whose sum is σ = 2300395085244. Its totient is φ = 2300012999200.

The previous prime is 2300204042219. The next prime is 2300204042237. The reversal of 2300204042221 is 1222404020032.

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 918664740900 + 1381539301321 = 958470^2 + 1175389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300204042221 - 2¹ = 2300204042219 is a prime.

It is a super-2 number, since 2×2300204042221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2300204042192 and 2300204042201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300204042251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95503450 + ... + 95527531.

It is an arithmetic number, because the mean of its divisors is an integer number (575098771311).

Almost surely, 2^{2300204042221} is an apocalyptic number.

It is an amenable number.

2300204042221 is a deficient number, since it is larger than the sum of its proper divisors (191043023).

2300204042221 is a wasteful number, since it uses less digits than its factorization.

2300204042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191043022.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2300204042221 its reverse (1222404020032), we get a palindrome (3522608062253).

The spelling of 2300204042221 in words is "two trillion, three hundred billion, two hundred four million, forty-two thousand, two hundred twenty-one".