210011210009 has 4 divisors (see below), whose sum is σ = 210044200704. Its totient is φ = 209978219316.

The previous prime is 210011209997. The next prime is 210011210051. The reversal of 210011210009 is 900012110012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210011210009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011210089) 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, 16485797 + ... + 16498530.

It is an arithmetic number, because the mean of its divisors is an integer number (52511050176).

Almost surely, 2^210011210009 is an apocalyptic number.

It is an amenable number.

210011210009 is a deficient number, since it is larger than the sum of its proper divisors (32990695).

210011210009 is an equidigital number, since it uses as much as digits as its factorization.

210011210009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32990694.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 210011210009 in words is "two hundred ten billion, eleven million, two hundred ten thousand, nine".