210013111009 has 8 divisors (see below), whose sum is σ = 227155601960. Its totient is φ = 193011710976.

The previous prime is 210013110947. The next prime is 210013111079. The reversal of 210013111009 is 900111310012.

It can be written as a sum of positive squares in 4 ways, for example, as 6972751009 + 203040360000 = 83503^2 + 450600^2 .

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 210013111009 - 2¹¹ = 210013108961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210013111079) 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 in 7 ways as a sum of consecutive naturals, for example, 35269632 + ... + 35275585.

It is an arithmetic number, because the mean of its divisors is an integer number (28394450245).

Almost surely, 2^210013111009 is an apocalyptic number.

It is an amenable number.

210013111009 is a deficient number, since it is larger than the sum of its proper divisors (17142490951).

210013111009 is a wasteful number, since it uses less digits than its factorization.

210013111009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70545459.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 210013111009 in words is "two hundred ten billion, thirteen million, one hundred eleven thousand, nine".