12110422421 has 4 divisors (see below), whose sum is σ = 12164729472. Its totient is φ = 12056115372.

The previous prime is 12110422409. The next prime is 12110422427. The reversal of 12110422421 is 12422401121.

12110422421 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 a de Polignac number, because none of the positive numbers 2^k-12110422421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110422393 and 12110422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110422427) 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, 27153191 + ... + 27153636.

It is an arithmetic number, because the mean of its divisors is an integer number (3041182368).

Almost surely, 2^12110422421 is an apocalyptic number.

It is an amenable number.

12110422421 is a deficient number, since it is larger than the sum of its proper divisors (54307051).

12110422421 is an equidigital number, since it uses as much as digits as its factorization.

12110422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54307050.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12110422421 its reverse (12422401121), we get a palindrome (24532823542).

The spelling of 12110422421 in words is "twelve billion, one hundred ten million, four hundred twenty-two thousand, four hundred twenty-one".