211322231112 has 32 divisors (see below), whose sum is σ = 528317323200. Its totient is φ = 70439177664.

The previous prime is 211322231063. The next prime is 211322231137. The reversal of 211322231112 is 211132223112.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1618078 + ... + 1743794.

It is an arithmetic number, because the mean of its divisors is an integer number (16509916350).

Almost surely, 2^211322231112 is an apocalyptic number.

It is an amenable number.

211322231112 is an abundant number, since it is smaller than the sum of its proper divisors (316995092088).

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

211322231112 is a wasteful number, since it uses less digits than its factorization.

211322231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195765 (or 195761 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 211322231112 its reverse (211132223112), we get a palindrome (422454454224).

The spelling of 211322231112 in words is "two hundred eleven billion, three hundred twenty-two million, two hundred thirty-one thousand, one hundred twelve".