212011122211 has 24 divisors (see below), whose sum is σ = 258107523840. Its totient is φ = 170557180032.

The previous prime is 212011122181. The next prime is 212011122233. The reversal of 212011122211 is 112221110212.

It is not a de Polignac number, because 212011122211 - 2⁷ = 212011122083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011122241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580296 + ... + 872218.

It is an arithmetic number, because the mean of its divisors is an integer number (10754480160).

Almost surely, 2^212011122211 is an apocalyptic number.

212011122211 is a deficient number, since it is larger than the sum of its proper divisors (46096401629).

212011122211 is a wasteful number, since it uses less digits than its factorization.

212011122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292323 (or 292306 counting only the distinct ones).

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

Adding to 212011122211 its reverse (112221110212), we get a palindrome (324232232423).

The spelling of 212011122211 in words is "two hundred twelve billion, eleven million, one hundred twenty-two thousand, two hundred eleven".