211022112012 has 48 divisors (see below), whose sum is σ = 518357817600. Its totient is φ = 66631118400.

The previous prime is 211022111947. The next prime is 211022112013. The reversal of 211022112012 is 210211220112.

It is a junction number, because it is equal to n+sod(n) for n = 211022111982 and 211022112000.

It is not an unprimeable number, because it can be changed into a prime (211022112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2210689 + ... + 2304167.

It is an arithmetic number, because the mean of its divisors is an integer number (10799121200).

Almost surely, 2^211022112012 is an apocalyptic number.

It is an amenable number.

211022112012 is an abundant number, since it is smaller than the sum of its proper divisors (307335705588).

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

211022112012 is a wasteful number, since it uses less digits than its factorization.

211022112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103406 (or 103404 counting only the distinct ones).

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

Adding to 211022112012 its reverse (210211220112), we get a palindrome (421233332124).

The spelling of 211022112012 in words is "two hundred eleven billion, twenty-two million, one hundred twelve thousand, twelve".