233000301221 has 2 divisors, whose sum is σ = 233000301222. Its totient is φ = 233000301220.

The previous prime is 233000301187. The next prime is 233000301223. The reversal of 233000301221 is 122103000332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232337496196 + 662805025 = 482014^2 + 25745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233000301221 is a prime.

Together with 233000301223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233000301221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233000301223) 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 as a sum of consecutive naturals, namely, 116500150610 + 116500150611.

It is an arithmetic number, because the mean of its divisors is an integer number (116500150611).

Almost surely, 2^233000301221 is an apocalyptic number.

It is an amenable number.

233000301221 is a deficient number, since it is larger than the sum of its proper divisors (1).

233000301221 is an equidigital number, since it uses as much as digits as its factorization.

233000301221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 233000301221 its reverse (122103000332), we get a palindrome (355103301553).

The spelling of 233000301221 in words is "two hundred thirty-three billion, three hundred one thousand, two hundred twenty-one".