212210102212211 has 4 divisors (see below), whose sum is σ = 212215974625752. Its totient is φ = 212204229798672.

The previous prime is 212210102212177. The next prime is 212210102212231. The reversal of 212210102212211 is 112212201012212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212210102212211 - 2³⁸ = 211935224305267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212210102212231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936152565 + ... + 2936224838.

It is an arithmetic number, because the mean of its divisors is an integer number (53053993656438).

Almost surely, 2^{212210102212211} is an apocalyptic number.

212210102212211 is a deficient number, since it is larger than the sum of its proper divisors (5872413541).

212210102212211 is an equidigital number, since it uses as much as digits as its factorization.

212210102212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872413540.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212210102212211 its reverse (112212201012212), we get a palindrome (324422303224423).

The spelling of 212210102212211 in words is "two hundred twelve trillion, two hundred ten billion, one hundred two million, two hundred twelve thousand, two hundred eleven".