12112110202321 has 2 divisors, whose sum is σ = 12112110202322. Its totient is φ = 12112110202320.

The previous prime is 12112110202301. The next prime is 12112110202349. The reversal of 12112110202321 is 12320201121121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10090279310400 + 2021830891921 = 3176520^2 + 1421911^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112110202321 - 2¹¹ = 12112110200273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112110202301) 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, 6056055101160 + 6056055101161.

It is an arithmetic number, because the mean of its divisors is an integer number (6056055101161).

Almost surely, 2^{12112110202321} is an apocalyptic number.

It is an amenable number.

12112110202321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112110202321 is an equidigital number, since it uses as much as digits as its factorization.

12112110202321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12112110202321 its reverse (12320201121121), we get a palindrome (24432311323442).

The spelling of 12112110202321 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, two hundred two thousand, three hundred twenty-one".