210232111120321 has 2 divisors, whose sum is σ = 210232111120322. Its totient is φ = 210232111120320.

The previous prime is 210232111120253. The next prime is 210232111120387. The reversal of 210232111120321 is 123021111232012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185016036243600 + 25216074876721 = 13602060^2 + 5021561^2 .

It is a cyclic number.

It is not a de Polignac number, because 210232111120321 - 2²³ = 210232102731713 is a prime.

It is a super-2 number, since 2×210232111120321² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210232111120292 and 210232111120301.

It is not a weakly prime, because it can be changed into another prime (210232111120721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116055560160 + 105116055560161.

It is an arithmetic number, because the mean of its divisors is an integer number (105116055560161).

Almost surely, 2^{210232111120321} is an apocalyptic number.

It is an amenable number.

210232111120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

210232111120321 is an equidigital number, since it uses as much as digits as its factorization.

210232111120321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 210232111120321 its reverse (123021111232012), we get a palindrome (333253222352333).

The spelling of 210232111120321 in words is "two hundred ten trillion, two hundred thirty-two billion, one hundred eleven million, one hundred twenty thousand, three hundred twenty-one".