124411244221 has 24 divisors (see below), whose sum is σ = 138169422720. Its totient is φ = 111932694720.

The previous prime is 124411244219. The next prime is 124411244249. The reversal of 124411244221 is 122442114421.

It is not a de Polignac number, because 124411244221 - 2¹ = 124411244219 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 124411244221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124411241221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4700601 + ... + 4726993.

It is an arithmetic number, because the mean of its divisors is an integer number (5757059280).

Almost surely, 2^124411244221 is an apocalyptic number.

124411244221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124411244221 is a deficient number, since it is larger than the sum of its proper divisors (13758178499).

124411244221 is a wasteful number, since it uses less digits than its factorization.

124411244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26817 (or 26806 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

Adding to 124411244221 its reverse (122442114421), we get a palindrome (246853358642).

The spelling of 124411244221 in words is "one hundred twenty-four billion, four hundred eleven million, two hundred forty-four thousand, two hundred twenty-one".