2302110030221 has 2 divisors, whose sum is σ = 2302110030222. Its totient is φ = 2302110030220.

The previous prime is 2302110030193. The next prime is 2302110030287. The reversal of 2302110030221 is 1220300112032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1799058864100 + 503051166121 = 1341290^2 + 709261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302110030221 - 2¹⁴ = 2302110013837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2302110030221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2302110032221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151055015110 + 1151055015111.

It is an arithmetic number, because the mean of its divisors is an integer number (1151055015111).

Almost surely, 2^{2302110030221} is an apocalyptic number.

It is an amenable number.

2302110030221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302110030221 is an equidigital number, since it uses as much as digits as its factorization.

2302110030221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2302110030221 its reverse (1220300112032), we get a palindrome (3522410142253).

The spelling of 2302110030221 in words is "two trillion, three hundred two billion, one hundred ten million, thirty thousand, two hundred twenty-one".