11220112112 has 40 divisors (see below), whose sum is σ = 23766193152. Its totient is φ = 5089092800.

The previous prime is 11220112091. The next prime is 11220112117. The reversal of 11220112112 is 21121102211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220112117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13937 + ... + 150447.

Almost surely, 2^11220112112 is an apocalyptic number.

It is an amenable number.

11220112112 is an abundant number, since it is smaller than the sum of its proper divisors (12546081040).

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

11220112112 is a wasteful number, since it uses less digits than its factorization.

11220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136997 (or 136991 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11220112112 its reverse (21121102211), we get a palindrome (32341214323).

Subtracting 11220112112 from its reverse (21121102211), we obtain a palindrome (9900990099).

The spelling of 11220112112 in words is "eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred twelve".