11112220112 has 40 divisors (see below), whose sum is σ = 24618590976. Its totient is φ = 4759871616.

The previous prime is 11112220111. The next prime is 11112220117. The reversal of 11112220112 is 21102221111.

It is a super-3 number, since 3×11112220112³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112220111) 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, 195833 + ... + 246119.

Almost surely, 2^11112220112 is an apocalyptic number.

It is an amenable number.

11112220112 is an abundant number, since it is smaller than the sum of its proper divisors (13506370864).

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

11112220112 is a wasteful number, since it uses less digits than its factorization.

11112220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52275 (or 52269 counting only the distinct ones).

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

Adding to 11112220112 its reverse (21102221111), we get a palindrome (32214441223).

Subtracting 11112220112 from its reverse (21102221111), we obtain a palindrome (9990000999).

The spelling of 11112220112 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twelve".