101911110089 has 2 divisors, whose sum is σ = 101911110090. Its totient is φ = 101911110088.

The previous prime is 101911110083. The next prime is 101911110139. The reversal of 101911110089 is 980011119101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96918274489 + 4992835600 = 311317^2 + 70660^2 .

It is a cyclic number.

It is not a de Polignac number, because 101911110089 - 2²⁴ = 101894332873 is a prime.

It is not a weakly prime, because it can be changed into another prime (101911110083) 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, 50955555044 + 50955555045.

It is an arithmetic number, because the mean of its divisors is an integer number (50955555045).

Almost surely, 2^101911110089 is an apocalyptic number.

It is an amenable number.

101911110089 is a deficient number, since it is larger than the sum of its proper divisors (1).

101911110089 is an equidigital number, since it uses as much as digits as its factorization.

101911110089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 32.

The spelling of 101911110089 in words is "one hundred one billion, nine hundred eleven million, one hundred ten thousand, eighty-nine".