201010012210209 has 4 divisors (see below), whose sum is σ = 268013349613616. Its totient is φ = 134006674806804.

The previous prime is 201010012210193. The next prime is 201010012210237. The reversal of 201010012210209 is 902012210010102.

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 not a de Polignac number, because 201010012210209 - 2⁴ = 201010012210193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201010012210289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33501668701699 + ... + 33501668701704.

It is an arithmetic number, because the mean of its divisors is an integer number (67003337403404).

Almost surely, 2^{201010012210209} is an apocalyptic number.

It is an amenable number.

201010012210209 is a deficient number, since it is larger than the sum of its proper divisors (67003337403407).

201010012210209 is an equidigital number, since it uses as much as digits as its factorization.

201010012210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67003337403406.

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

The spelling of 201010012210209 in words is "two hundred one trillion, ten billion, twelve million, two hundred ten thousand, two hundred nine".