211110989 has 8 divisors (see below), whose sum is σ = 214992000. Its totient is φ = 207260352.

The previous prime is 211110971. The next prime is 211111001. The reversal of 211110989 is 989011112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211110989 - 2⁸ = 211110733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211110929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6677 + ... + 21605.

It is an arithmetic number, because the mean of its divisors is an integer number (26874000).

Almost surely, 2^211110989 is an apocalyptic number.

It is an amenable number.

211110989 is a deficient number, since it is larger than the sum of its proper divisors (3881011).

211110989 is a wasteful number, since it uses less digits than its factorization.

211110989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15187.

The product of its (nonzero) digits is 1296, while the sum is 32.

The square root of 211110989 is about 14529.6589430034. The cubic root of 211110989 is about 595.4385477646.

The spelling of 211110989 in words is "two hundred eleven million, one hundred ten thousand, nine hundred eighty-nine".