21411242341 has 8 divisors (see below), whose sum is σ = 21587143680. Its totient is φ = 21235966752.

The previous prime is 21411242299. The next prime is 21411242351. The reversal of 21411242341 is 14324211412.

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 21411242341 - 2¹³ = 21411234149 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 (21411242351) 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, 87600 + ... + 224713.

It is an arithmetic number, because the mean of its divisors is an integer number (2698392960).

Almost surely, 2^21411242341 is an apocalyptic number.

It is an amenable number.

21411242341 is a deficient number, since it is larger than the sum of its proper divisors (175901339).

21411242341 is a wasteful number, since it uses less digits than its factorization.

21411242341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312875.

The product of its digits is 1536, while the sum is 25.

Adding to 21411242341 its reverse (14324211412), we get a palindrome (35735453753).

The spelling of 21411242341 in words is "twenty-one billion, four hundred eleven million, two hundred forty-two thousand, three hundred forty-one".