211001000100089 has 2 divisors, whose sum is σ = 211001000100090. Its totient is φ = 211001000100088.

The previous prime is 211001000100073. The next prime is 211001000100119. The reversal of 211001000100089 is 980001000100112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203086298197225 + 7914701902864 = 14250835^2 + 2813308^2 .

It is a cyclic number.

It is not a de Polignac number, because 211001000100089 - 2⁴ = 211001000100073 is a prime.

It is not a weakly prime, because it can be changed into another prime (211000000100089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500500050044 + 105500500050045.

It is an arithmetic number, because the mean of its divisors is an integer number (105500500050045).

Almost surely, 2^{211001000100089} is an apocalyptic number.

It is an amenable number.

211001000100089 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001000100089 is an equidigital number, since it uses as much as digits as its factorization.

211001000100089 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.

Adding to 211001000100089 its sum of digits (23), we get a palindrome (211001000100112).

The spelling of 211001000100089 in words is "two hundred eleven trillion, one billion, one hundred thousand, eighty-nine".