111010121010112 has 28 divisors (see below), whose sum is σ = 220292228381896. Its totient is φ = 55503417795840.

The previous prime is 111010121010109. The next prime is 111010121010133. The reversal of 111010121010112 is 211010121010111.

It is a junction number, because it is equal to n+sod(n) for n = 111010121010092 and 111010121010101.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23486523 + ... + 27814330.

Almost surely, 2^{111010121010112} is an apocalyptic number.

It is an amenable number.

111010121010112 is a deficient number, since it is larger than the sum of its proper divisors (109282107371784).

111010121010112 is an equidigital number, since it uses as much as digits as its factorization.

111010121010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51334676 (or 51334666 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111010121010112 its reverse (211010121010111), we get a palindrome (322020242020223).

Subtracting 111010121010112 from its reverse (211010121010111), we obtain a palindrome (99999999999999).

The spelling of 111010121010112 in words is "one hundred eleven trillion, ten billion, one hundred twenty-one million, ten thousand, one hundred twelve".