12101011112 has 16 divisors (see below), whose sum is σ = 22706775360. Its totient is φ = 6045871024.

The previous prime is 12101011081. The next prime is 12101011147. The reversal of 12101011112 is 21111010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101011093 and 12101011102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568208 + ... + 589119.

It is an arithmetic number, because the mean of its divisors is an integer number (1419173460).

Almost surely, 2^12101011112 is an apocalyptic number.

It is an amenable number.

12101011112 is a deficient number, since it is larger than the sum of its proper divisors (10605764248).

12101011112 is a wasteful number, since it uses less digits than its factorization.

12101011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158640 (or 1158636 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101011112 its reverse (21111010121), we get a palindrome (33212021233).

Subtracting 12101011112 from its reverse (21111010121), we obtain a palindrome (9009999009).

The spelling of 12101011112 in words is "twelve billion, one hundred one million, eleven thousand, one hundred twelve".