12110202021109 has 4 divisors (see below), whose sum is σ = 12110209024204. Its totient is φ = 12110195018016.

The previous prime is 12110202021091. The next prime is 12110202021119. The reversal of 12110202021109 is 90112020201121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 84461146884 + 12025740874225 = 290622^2 + 3467815^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110202021109 - 2²⁷ = 12110067803381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110202021109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110202021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168609 + ... + 5058265.

It is an arithmetic number, because the mean of its divisors is an integer number (3027552256051).

Almost surely, 2^{12110202021109} is an apocalyptic number.

It is an amenable number.

12110202021109 is a deficient number, since it is larger than the sum of its proper divisors (7003095).

12110202021109 is an equidigital number, since it uses as much as digits as its factorization.

12110202021109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003094.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12110202021109 in words is "twelve trillion, one hundred ten billion, two hundred two million, twenty-one thousand, one hundred nine".