211100220211210 has 256 divisors, whose sum is σ = 433254337076736. Its totient is φ = 73390336000000.

The previous prime is 211100220211201. The next prime is 211100220211213. The reversal of 211100220211210 is 12112022001112.

It is not an unprimeable number, because it can be changed into a prime (211100220211213) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17888327310 + ... + 17888339110.

It is an arithmetic number, because the mean of its divisors is an integer number (1692399754206).

Almost surely, 2^{211100220211210} is an apocalyptic number.

211100220211210 is an abundant number, since it is smaller than the sum of its proper divisors (222154116865526).

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

211100220211210 is a wasteful number, since it uses less digits than its factorization.

211100220211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12361.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211100220211210 its reverse (12112022001112), we get a palindrome (223212242212322).

The spelling of 211100220211210 in words is "two hundred eleven trillion, one hundred billion, two hundred twenty million, two hundred eleven thousand, two hundred ten".