11212112 has 20 divisors (see below), whose sum is σ = 23001876. Its totient is φ = 5276160.

The previous prime is 11212081. The next prime is 11212127. The reversal of 11212112 is 21121211.

It can be written as a sum of positive squares in 2 ways, for example, as 5180176 + 6031936 = 2276^2 + 2456^2 .

It is a super-2 number, since 2×11212112² = 251422911001088, 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 junction number, because it is equal to n+sod(n) for n = 11212093 and 11212102.

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, 20339 + ... + 20882.

Almost surely, 2^11212112 is an apocalyptic number.

It is an amenable number.

11212112 is an abundant number, since it is smaller than the sum of its proper divisors (11789764).

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

11212112 is a wasteful number, since it uses less digits than its factorization.

11212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41246 (or 41240 counting only the distinct ones).

The product of its digits is 8, while the sum is 11.

The square root of 11212112 is about 3348.4491932834. The cubic root of 11212112 is about 223.8184115062.

Adding to 11212112 its reverse (21121211), we get a palindrome (32333323).

Subtracting 11212112 from its reverse (21121211), we obtain a palindrome (9909099).

It can be divided in two parts, 1121211 and 2, that multiplied together give a palindrome (2242422).

The spelling of 11212112 in words is "eleven million, two hundred twelve thousand, one hundred twelve".