12110332021 has 4 divisors (see below), whose sum is σ = 12110647500. Its totient is φ = 12110016544.

The previous prime is 12110331983. The next prime is 12110332057. The reversal of 12110332021 is 12023301121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5316451396 + 6793880625 = 72914^2 + 82425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110332021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110331986 and 12110332004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110332321) 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, 90646 + ... + 180103.

It is an arithmetic number, because the mean of its divisors is an integer number (3027661875).

Almost surely, 2^12110332021 is an apocalyptic number.

It is an amenable number.

12110332021 is a deficient number, since it is larger than the sum of its proper divisors (315479).

12110332021 is an equidigital number, since it uses as much as digits as its factorization.

12110332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315478.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12110332021 its reverse (12023301121), we get a palindrome (24133633142).

The spelling of 12110332021 in words is "twelve billion, one hundred ten million, three hundred thirty-two thousand, twenty-one".