211100122212 has 48 divisors (see below), whose sum is σ = 592561751040. Its totient is φ = 57139882272.

The previous prime is 211100122187. The next prime is 211100122223. The reversal of 211100122212 is 212221001112.

It is a junction number, because it is equal to n+sod(n) for n = 211100122191 and 211100122200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66132528 + ... + 66135719.

It is an arithmetic number, because the mean of its divisors is an integer number (12345036480).

Almost surely, 2^211100122212 is an apocalyptic number.

It is an amenable number.

211100122212 is an abundant number, since it is smaller than the sum of its proper divisors (381461628828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211100122212 is a wasteful number, since it uses less digits than its factorization.

211100122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132268280 (or 132268278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211100122212 its reverse (212221001112), we get a palindrome (423321123324).

The spelling of 211100122212 in words is "two hundred eleven billion, one hundred million, one hundred twenty-two thousand, two hundred twelve".