11212116 has 12 divisors (see below), whose sum is σ = 26161632. Its totient is φ = 3737368.

The previous prime is 11212081. The next prime is 11212127. The reversal of 11212116 is 61121211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a junction number, because it is equal to n+sod(n) for n = 11212095 and 11212104.

It is a congruent number.

It is an unprimeable number.

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, 467160 + ... + 467183.

It is an arithmetic number, because the mean of its divisors is an integer number (2180136).

Almost surely, 2^11212116 is an apocalyptic number.

It is an amenable number.

11212116 is an abundant number, since it is smaller than the sum of its proper divisors (14949516).

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

11212116 is a wasteful number, since it uses less digits than its factorization.

11212116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934350 (or 934348 counting only the distinct ones).

The product of its digits is 24, while the sum is 15.

The square root of 11212116 is about 3348.4497905747. The cubic root of 11212116 is about 223.8184381225.

Adding to 11212116 its reverse (61121211), we get a palindrome (72333327).

The spelling of 11212116 in words is "eleven million, two hundred twelve thousand, one hundred sixteen".