212211022100210 has 128 divisors (see below), whose sum is σ = 466827958969344. Its totient is φ = 67869776240640.

The previous prime is 212211022100179. The next prime is 212211022100237. The reversal of 212211022100210 is 12001220112212.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 162857834 + ... + 164155706.

It is an arithmetic number, because the mean of its divisors is an integer number (3647093429448).

Almost surely, 2^{212211022100210} is an apocalyptic number.

212211022100210 is an abundant number, since it is smaller than the sum of its proper divisors (254616936869134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212211022100210 is a wasteful number, since it uses less digits than its factorization.

212211022100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300428.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212211022100210 its reverse (12001220112212), we get a palindrome (224212242212422).

The spelling of 212211022100210 in words is "two hundred twelve trillion, two hundred eleven billion, twenty-two million, one hundred thousand, two hundred ten".