211242323210 has 16 divisors (see below), whose sum is σ = 380284742376. Its totient is φ = 84486138048.

The previous prime is 211242323203. The next prime is 211242323213. The reversal of 211242323210 is 12323242112.

It can be written as a sum of positive squares in 4 ways, for example, as 76900281481 + 134342041729 = 277309^2 + 366527^2 .

It is not an unprimeable number, because it can be changed into a prime (211242323213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266449 + ... + 1423508.

Almost surely, 2^211242323210 is an apocalyptic number.

211242323210 is a deficient number, since it is larger than the sum of its proper divisors (169042419166).

211242323210 is a wasteful number, since it uses less digits than its factorization.

211242323210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697817.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211242323210 its reverse (12323242112), we get a palindrome (223565565322).

The spelling of 211242323210 in words is "two hundred eleven billion, two hundred forty-two million, three hundred twenty-three thousand, two hundred ten".