11112111012112 has 40 divisors (see below), whose sum is σ = 23511002154912. Its totient is φ = 5045789606400.

The previous prime is 11112111012097. The next prime is 11112111012139. The reversal of 11112111012112 is 21121011121111.

It is a super-2 number, since 2×11112111012112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 7 ways as a sum of consecutive naturals, for example, 32139714 + ... + 32483617.

Almost surely, 2^{11112111012112} is an apocalyptic number.

It is an amenable number.

11112111012112 is an abundant number, since it is smaller than the sum of its proper divisors (12398891142800).

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

11112111012112 is a wasteful number, since it uses less digits than its factorization.

11112111012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64624327 (or 64624321 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11112111012112 its reverse (21121011121111), we get a palindrome (32233122133223).

The spelling of 11112111012112 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, twelve thousand, one hundred twelve".