212100332211 has 24 divisors (see below), whose sum is σ = 320198904480. Its totient is φ = 135116868096.

The previous prime is 212100332209. The next prime is 212100332237. The reversal of 212100332211 is 112233001212.

212100332211 is a `hidden beast` number, since 2 + 121 + 0 + 0 + 332 + 211 = 666.

It is not a de Polignac number, because 212100332211 - 2¹ = 212100332209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100332291) 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, 4163575 + ... + 4214208.

It is an arithmetic number, because the mean of its divisors is an integer number (13341621020).

Almost surely, 2^212100332211 is an apocalyptic number.

212100332211 is a deficient number, since it is larger than the sum of its proper divisors (108098572269).

212100332211 is a wasteful number, since it uses less digits than its factorization.

212100332211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377915 (or 8377912 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212100332211 its reverse (112233001212), we get a palindrome (324333333423).

The spelling of 212100332211 in words is "two hundred twelve billion, one hundred million, three hundred thirty-two thousand, two hundred eleven".