2211112 has 8 divisors (see below), whose sum is σ = 4145850. Its totient is φ = 1105552.

The previous prime is 2211109. The next prime is 2211127. The reversal of 2211112 is 2111122.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 2916 = 1486^2 + 54^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138187 + ... + 138202.

2^2211112 is an apocalyptic number.

It is an amenable number.

2211112 is a deficient number, since it is larger than the sum of its proper divisors (1934738).

2211112 is a wasteful number, since it uses less digits than its factorization.

2211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276395 (or 276391 counting only the distinct ones).

The product of its digits is 8, while the sum is 10.

The square root of 2211112 is about 1486.9808337702. The cubic root of 2211112 is about 130.2777493519.

Adding to 2211112 its sum of digits (10), we get a palindrome (2211122).

Adding to 2211112 its reverse (2111122), we get a palindrome (4322234).

It can be divided in two parts, 2 and 211112, that multiplied together give a palindrome (422224).

The spelling of 2211112 in words is "two million, two hundred eleven thousand, one hundred twelve".