212110223089 has 2 divisors, whose sum is σ = 212110223090. Its totient is φ = 212110223088.

The previous prime is 212110223081. The next prime is 212110223113. The reversal of 212110223089 is 980322011212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137303597025 + 74806626064 = 370545^2 + 273508^2 .

It is a cyclic number.

It is not a de Polignac number, because 212110223089 - 2³ = 212110223081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212110223089.

It is not a weakly prime, because it can be changed into another prime (212110223081) 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, 106055111544 + 106055111545.

It is an arithmetic number, because the mean of its divisors is an integer number (106055111545).

Almost surely, 2^212110223089 is an apocalyptic number.

It is an amenable number.

212110223089 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110223089 is an equidigital number, since it uses as much as digits as its factorization.

212110223089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 212110223089 in words is "two hundred twelve billion, one hundred ten million, two hundred twenty-three thousand, eighty-nine".