12421441111 has 8 divisors (see below), whose sum is σ = 13117668480. Its totient is φ = 11738227512.

The previous prime is 12421441103. The next prime is 12421441117. The reversal of 12421441111 is 11114412421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12421441111 - 2³ = 12421441103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421441117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3251481 + ... + 3255298.

It is an arithmetic number, because the mean of its divisors is an integer number (1639708560).

Almost surely, 2^12421441111 is an apocalyptic number.

12421441111 is a deficient number, since it is larger than the sum of its proper divisors (696227369).

12421441111 is an equidigital number, since it uses as much as digits as its factorization.

12421441111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506885.

The product of its digits is 256, while the sum is 22.

Adding to 12421441111 its reverse (11114412421), we get a palindrome (23535853532).

The spelling of 12421441111 in words is "twelve billion, four hundred twenty-one million, four hundred forty-one thousand, one hundred eleven".