21441112341 has 32 divisors (see below), whose sum is σ = 31775137920. Its totient is φ = 12751872000.

The previous prime is 21441112321. The next prime is 21441112379. The reversal of 21441112341 is 14321114412.

It is a happy number.

It is not a de Polignac number, because 21441112341 - 2¹¹ = 21441110293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441112321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348165 + ... + 405093.

It is an arithmetic number, because the mean of its divisors is an integer number (992973060).

Almost surely, 2^21441112341 is an apocalyptic number.

It is an amenable number.

21441112341 is a deficient number, since it is larger than the sum of its proper divisors (10334025579).

21441112341 is a wasteful number, since it uses less digits than its factorization.

21441112341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57157.

The product of its digits is 768, while the sum is 24.

Adding to 21441112341 its reverse (14321114412), we get a palindrome (35762226753).

The spelling of 21441112341 in words is "twenty-one billion, four hundred forty-one million, one hundred twelve thousand, three hundred forty-one".