100111011010112 has 56 divisors (see below), whose sum is σ = 199324669610976. Its totient is φ = 49887608905728.

The previous prime is 100111011010111. The next prime is 100111011010169. The reversal of 100111011010112 is 211010110111001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100111011010093 and 100111011010102.

It is not an unprimeable number, because it can be changed into a prime (100111011010111) 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, 45858803 + ... + 47992205.

It is an arithmetic number, because the mean of its divisors is an integer number (3559369100196).

Almost surely, 2^{100111011010112} is an apocalyptic number.

It is an amenable number.

100111011010112 is a deficient number, since it is larger than the sum of its proper divisors (99213658600864).

100111011010112 is a wasteful number, since it uses less digits than its factorization.

100111011010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135875 (or 2135865 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 100111011010112 its reverse (211010110111001), we get a palindrome (311121121121113).

The spelling of 100111011010112 in words is "one hundred trillion, one hundred eleven billion, eleven million, ten thousand, one hundred twelve".