11117212 has 6 divisors (see below), whose sum is σ = 19455128. Its totient is φ = 5558604.

The previous prime is 11117123. The next prime is 11117213. The reversal of 11117212 is 21271111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11117213) 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 as a sum of consecutive naturals, namely, 1389648 + ... + 1389655.

Almost surely, 2^11117212 is an apocalyptic number.

It is an amenable number.

11117212 is a deficient number, since it is larger than the sum of its proper divisors (8337916).

11117212 is a wasteful number, since it uses less digits than its factorization.

11117212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779307 (or 2779305 counting only the distinct ones).

The product of its digits is 28, while the sum is 16.

The square root of 11117212 is about 3334.2483410808. The cubic root of 11117212 is about 223.1851505817.

Adding to 11117212 its reverse (21271111), we get a palindrome (32388323).

The spelling of 11117212 in words is "eleven million, one hundred seventeen thousand, two hundred twelve".