211122112 has 28 divisors (see below), whose sum is σ = 419572440. Its totient is φ = 105403136.

The previous prime is 211122101. The next prime is 211122137. The reversal of 211122112 is 211221112.

211122112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211122092 and 211122101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48939 + ... + 53077.

It is an arithmetic number, because the mean of its divisors is an integer number (14984730).

Almost surely, 2^211122112 is an apocalyptic number.

It is an amenable number.

211122112 is a deficient number, since it is larger than the sum of its proper divisors (208450328).

211122112 is an equidigital number, since it uses as much as digits as its factorization.

211122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948 (or 4938 counting only the distinct ones).

The product of its digits is 16, while the sum is 13.

The square root of 211122112 is about 14530.0417067536. The cubic root of 211122112 is about 595.4490050548.

Adding to 211122112 its reverse (211221112), we get a palindrome (422343224).

It can be divided in two parts, 21112 and 2112, that multiplied together give a palindrome (44588544).

The spelling of 211122112 in words is "two hundred eleven million, one hundred twenty-two thousand, one hundred twelve".