211422112 has 24 divisors (see below), whose sum is σ = 454077792. Its totient is φ = 96100800.

The previous prime is 211422109. The next prime is 211422119. The reversal of 211422112 is 211224112.

It is a Harshad number since it is a multiple of its sum of digits (16).

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

It is not an unprimeable number, because it can be changed into a prime (211422119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299964 + ... + 300667.

It is an arithmetic number, because the mean of its divisors is an integer number (18919908).

Almost surely, 2^211422112 is an apocalyptic number.

211422112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211422112 is an abundant number, since it is smaller than the sum of its proper divisors (242655680).

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

211422112 is a wasteful number, since it uses less digits than its factorization.

211422112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600652 (or 600644 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 211422112 is about 14540.3614810637. The cubic root of 211422112 is about 595.7309116641.

Adding to 211422112 its reverse (211224112), we get a palindrome (422646224).

The spelling of 211422112 in words is "two hundred eleven million, four hundred twenty-two thousand, one hundred twelve".