100000011191112 has 48 divisors (see below), whose sum is σ = 270836247640140. Its totient is φ = 33332982110208.

The previous prime is 100000011191111. The next prime is 100000011191141. The reversal of 100000011191112 is 211191110000001.

It can be written as a sum of positive squares in 2 ways, for example, as 99231362712036 + 768648479076 = 9961494^2 + 876726^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100000011191111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542673 + ... + 14152544.

Almost surely, 2^{100000011191112} is an apocalyptic number.

100000011191112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100000011191112 is an abundant number, since it is smaller than the sum of its proper divisors (170836236449028).

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

100000011191112 is a wasteful number, since it uses less digits than its factorization.

100000011191112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14789742 (or 14789735 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

Adding to 100000011191112 its reverse (211191110000001), we get a palindrome (311191121191113).

The spelling of 100000011191112 in words is "one hundred trillion, eleven million, one hundred ninety-one thousand, one hundred twelve".