211011020089 has 2 divisors, whose sum is σ = 211011020090. Its totient is φ = 211011020088.

The previous prime is 211011020047. The next prime is 211011020113. The reversal of 211011020089 is 980020110112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107507261689 + 103503758400 = 327883^2 + 321720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211011020089 is a prime.

It is not a weakly prime, because it can be changed into another prime (211011020009) 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, 105505510044 + 105505510045.

It is an arithmetic number, because the mean of its divisors is an integer number (105505510045).

Almost surely, 2^211011020089 is an apocalyptic number.

It is an amenable number.

211011020089 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011020089 is an equidigital number, since it uses as much as digits as its factorization.

211011020089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 211011020089 in words is "two hundred eleven billion, eleven million, twenty thousand, eighty-nine".