211098 has 16 divisors (see below), whose sum is σ = 426816. Its totient is φ = 69600.

The previous prime is 211097. The next prime is 211129. The reversal of 211098 is 890112.

211098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11 and base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 211098.

It is not an unprimeable number, because it can be changed into a prime (211093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 1022.

It is an arithmetic number, because the mean of its divisors is an integer number (26676).

2²¹¹⁰⁹⁸ is an apocalyptic number.

211098 is an abundant number, since it is smaller than the sum of its proper divisors (215718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211098 is a wasteful number, since it uses less digits than its factorization.

211098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 211098 is about 459.4540238152. The cubic root of 211098 is about 59.5426335689.

The spelling of 211098 in words is "two hundred eleven thousand, ninety-eight".