11112100001112 has 32 divisors (see below), whose sum is σ = 30305727276480. Its totient is φ = 3367303030560.

The previous prime is 11112100001099. The next prime is 11112100001117. The reversal of 11112100001112 is 21110000121111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112100001117) by changing a digit.

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, 21045643678 + ... + 21045644205.

It is an arithmetic number, because the mean of its divisors is an integer number (947053977390).

Almost surely, 2^{11112100001112} is an apocalyptic number.

11112100001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112100001112 is an abundant number, since it is smaller than the sum of its proper divisors (19193627275368).

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

11112100001112 is a wasteful number, since it uses less digits than its factorization.

11112100001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42091287903 (or 42091287899 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11112100001112 its reverse (21110000121111), we get a palindrome (32222100122223).

The spelling of 11112100001112 in words is "eleven trillion, one hundred twelve billion, one hundred million, one thousand, one hundred twelve".