211110089 has 2 divisors, whose sum is σ = 211110090. Its totient is φ = 211110088.

The previous prime is 211110079. The next prime is 211110101. The reversal of 211110089 is 980011112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210018064 + 1092025 = 14492^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 211110089 - 2⁴ = 211110073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211110079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555044 + 105555045.

It is an arithmetic number, because the mean of its divisors is an integer number (105555045).

Almost surely, 2^211110089 is an apocalyptic number.

It is an amenable number.

211110089 is a deficient number, since it is larger than the sum of its proper divisors (1).

211110089 is an equidigital number, since it uses as much as digits as its factorization.

211110089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 211110089 is about 14529.6279718374. The cubic root of 211110089 is about 595.4377016134.

The spelling of 211110089 in words is "two hundred eleven million, one hundred ten thousand, eighty-nine".