11112112112212 has 12 divisors (see below), whose sum is σ = 19446800509696. Its totient is φ = 5555883395160.

The previous prime is 11112112112161. The next prime is 11112112112243. The reversal of 11112112112212 is 21221121121111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11112112112212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43020378 + ... + 43277905.

Almost surely, 2^{11112112112212} is an apocalyptic number.

It is an amenable number.

11112112112212 is a deficient number, since it is larger than the sum of its proper divisors (8334688397484).

11112112112212 is a wasteful number, since it uses less digits than its factorization.

11112112112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86330478 (or 86330476 counting only the distinct ones).

The product of its digits is 32, while the sum is 19.

Adding to 11112112112212 its reverse (21221121121111), we get a palindrome (32333233233323).

The spelling of 11112112112212 in words is "eleven trillion, one hundred twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred twelve".