12341121111 has 48 divisors (see below), whose sum is σ = 20130459648. Its totient is φ = 7217812800.

The previous prime is 12341121041. The next prime is 12341121113. The reversal of 12341121111 is 11112114321.

12341121111 is a `hidden beast` number, since 123 + 411 + 21 + 111 = 666.

It is not a de Polignac number, because 12341121111 - 2¹³ = 12341112919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12341121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1120845 + ... + 1131801.

It is an arithmetic number, because the mean of its divisors is an integer number (419384576).

Almost surely, 2^12341121111 is an apocalyptic number.

12341121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12341121111 is a deficient number, since it is larger than the sum of its proper divisors (7789338537).

12341121111 is a wasteful number, since it uses less digits than its factorization.

12341121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372 (or 11369 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 12341121111 its reverse (11112114321), we get a palindrome (23453235432).

The spelling of 12341121111 in words is "twelve billion, three hundred forty-one million, one hundred twenty-one thousand, one hundred eleven".