2230231320221 has 2 divisors, whose sum is σ = 2230231320222. Its totient is φ = 2230231320220.

The previous prime is 2230231320193. The next prime is 2230231320281. The reversal of 2230231320221 is 1220231320322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835672716900 + 394558603321 = 1354870^2 + 628139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230231320221 - 2⁶ = 2230231320157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230231320281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115115660110 + 1115115660111.

It is an arithmetic number, because the mean of its divisors is an integer number (1115115660111).

Almost surely, 2^{2230231320221} is an apocalyptic number.

It is an amenable number.

2230231320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230231320221 is an equidigital number, since it uses as much as digits as its factorization.

2230231320221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2230231320221 its reverse (1220231320322), we get a palindrome (3450462640543).

The spelling of 2230231320221 in words is "two trillion, two hundred thirty billion, two hundred thirty-one million, three hundred twenty thousand, two hundred twenty-one".