12110100101 has 4 divisors (see below), whose sum is σ = 13211018304. Its totient is φ = 11009181900.

The previous prime is 12110100097. The next prime is 12110100137. The reversal of 12110100101 is 10100101121.

It is a happy number.

12110100101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12110100101 - 2² = 12110100097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110100601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550459085 + ... + 550459106.

It is an arithmetic number, because the mean of its divisors is an integer number (3302754576).

Almost surely, 2^12110100101 is an apocalyptic number.

12110100101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110100101 is a deficient number, since it is larger than the sum of its proper divisors (1100918203).

12110100101 is a wasteful number, since it uses less digits than its factorization.

12110100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100918202.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12110100101 its reverse (10100101121), we get a palindrome (22210201222).

It can be divided in two parts, 12110 and 100101, that added together give a palindrome (112211).

The spelling of 12110100101 in words is "twelve billion, one hundred ten million, one hundred thousand, one hundred one".