212011110122211 has 48 divisors (see below), whose sum is σ = 314630513914080. Its totient is φ = 137470215052800.

The previous prime is 212011110122107. The next prime is 212011110122293. The reversal of 212011110122211 is 112221011110212.

It is a happy number.

212011110122211 is a `hidden beast` number, since 21 + 201 + 1 + 110 + 122 + 211 = 666.

It is not a de Polignac number, because 212011110122211 - 2³¹ = 212008962638563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011110122411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16495061661 + ... + 16495074513.

It is an arithmetic number, because the mean of its divisors is an integer number (6554802373210).

Almost surely, 2^{212011110122211} is an apocalyptic number.

212011110122211 is a deficient number, since it is larger than the sum of its proper divisors (102619403791869).

212011110122211 is a wasteful number, since it uses less digits than its factorization.

212011110122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27236 (or 27233 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212011110122211 its reverse (112221011110212), we get a palindrome (324232121232423).

The spelling of 212011110122211 in words is "two hundred twelve trillion, eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred eleven".