111211010089 has 2 divisors, whose sum is σ = 111211010090. Its totient is φ = 111211010088.

The previous prime is 111211010077. The next prime is 111211010143. The reversal of 111211010089 is 980010112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107833424400 + 3377585689 = 328380^2 + 58117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211010089 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211010069) 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, 55605505044 + 55605505045.

It is an arithmetic number, because the mean of its divisors is an integer number (55605505045).

Almost surely, 2^111211010089 is an apocalyptic number.

It is an amenable number.

111211010089 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211010089 is an equidigital number, since it uses as much as digits as its factorization.

111211010089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 25.

The spelling of 111211010089 in words is "one hundred eleven billion, two hundred eleven million, ten thousand, eighty-nine".