12110020101 has 20 divisors (see below), whose sum is σ = 19042399200. Its totient is φ = 7648432776.

The previous prime is 12110020093. The next prime is 12110020163. The reversal of 12110020101 is 10102001121.

It is a happy number.

It is not a de Polignac number, because 12110020101 - 2³ = 12110020093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110020301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3932841 + ... + 3935918.

It is an arithmetic number, because the mean of its divisors is an integer number (952119960).

Almost surely, 2^12110020101 is an apocalyptic number.

It is an amenable number.

12110020101 is a deficient number, since it is larger than the sum of its proper divisors (6932379099).

12110020101 is an equidigital number, since it uses as much as digits as its factorization.

12110020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868790 (or 7868781 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12110020101 its reverse (10102001121), we get a palindrome (22212021222).

The spelling of 12110020101 in words is "twelve billion, one hundred ten million, twenty thousand, one hundred one".