210434210211 has 16 divisors (see below), whose sum is σ = 290012152320. Its totient is φ = 135650831520.

The previous prime is 210434210209. The next prime is 210434210237. The reversal of 210434210211 is 112012434012.

It is not a de Polignac number, because 210434210211 - 2¹ = 210434210209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210434210011) 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 15 ways as a sum of consecutive naturals, for example, 9734235 + ... + 9755828.

It is an arithmetic number, because the mean of its divisors is an integer number (18125759520).

Almost surely, 2^210434210211 is an apocalyptic number.

210434210211 is a deficient number, since it is larger than the sum of its proper divisors (79577942109).

210434210211 is a wasteful number, since it uses less digits than its factorization.

210434210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490186.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 210434210211 its reverse (112012434012), we get a palindrome (322446644223).

The spelling of 210434210211 in words is "two hundred ten billion, four hundred thirty-four million, two hundred ten thousand, two hundred eleven".