212100210211211 has 8 divisors (see below), whose sum is σ = 242631317695200. Its totient is φ = 181626872090688.

The previous prime is 212100210211207. The next prime is 212100210211273. The reversal of 212100210211211 is 112112012001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212100210211211 - 2² = 212100210211207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212100210211211.

It is not an unprimeable number, because it can be changed into a prime (212100210211711) 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, 14442332996 + ... + 14442347681.

It is an arithmetic number, because the mean of its divisors is an integer number (30328914711900).

Almost surely, 2^{212100210211211} is an apocalyptic number.

212100210211211 is a deficient number, since it is larger than the sum of its proper divisors (30531107483989).

212100210211211 is a wasteful number, since it uses less digits than its factorization.

212100210211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28884681733.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212100210211211 its reverse (112112012001212), we get a palindrome (324212222212423).

The spelling of 212100210211211 in words is "two hundred twelve trillion, one hundred billion, two hundred ten million, two hundred eleven thousand, two hundred eleven".