12112021100989 has 2 divisors, whose sum is σ = 12112021100990. Its totient is φ = 12112021100988.

The previous prime is 12112021100969. The next prime is 12112021101079. The reversal of 12112021100989 is 98900112021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11932810272100 + 179210828889 = 3454390^2 + 423333^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112021100989 - 2¹⁵ = 12112021068221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112021100969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056010550494 + 6056010550495.

It is an arithmetic number, because the mean of its divisors is an integer number (6056010550495).

Almost surely, 2^{12112021100989} is an apocalyptic number.

It is an amenable number.

12112021100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112021100989 is an equidigital number, since it uses as much as digits as its factorization.

12112021100989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 12112021100989 in words is "twelve trillion, one hundred twelve billion, twenty-one million, one hundred thousand, nine hundred eighty-nine".