211222112 has 12 divisors (see below), whose sum is σ = 415843596. Its totient is φ = 105611040.

The previous prime is 211222111. The next prime is 211222147.

211222112 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×211222112² = 89229561195481088, which contains 22 as substring.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300314 + ... + 3300377.

It is an arithmetic number, because the mean of its divisors is an integer number (34653633).

Almost surely, 2^211222112 is an apocalyptic number.

It is an amenable number.

211222112 is a deficient number, since it is larger than the sum of its proper divisors (204621484).

211222112 is an equidigital number, since it uses as much as digits as its factorization.

211222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6600701 (or 6600693 counting only the distinct ones).

The product of its digits is 32, while the sum is 14.

The square root of 211222112 is about 14533.4824457182. The cubic root of 211222112 is about 595.5430035802.

The spelling of 211222112 in words is "two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".