211300010989 has 4 divisors (see below), whose sum is σ = 211300930620. Its totient is φ = 211299091360.

The previous prime is 211300010941. The next prime is 211300011001. The reversal of 211300010989 is 989010003112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90049806889 + 121250204100 = 300083^2 + 348210^2 .

It is a cyclic number.

It is not a de Polignac number, because 211300010989 - 2¹⁵ = 211299978221 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 (211300016989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212817 + ... + 684025.

It is an arithmetic number, because the mean of its divisors is an integer number (52825232655).

Almost surely, 2^211300010989 is an apocalyptic number.

It is an amenable number.

211300010989 is a deficient number, since it is larger than the sum of its proper divisors (919631).

211300010989 is an equidigital number, since it uses as much as digits as its factorization.

211300010989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919630.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 211300010989 in words is "two hundred eleven billion, three hundred million, ten thousand, nine hundred eighty-nine".