21424011141 has 8 divisors (see below), whose sum is σ = 30762682720. Its totient is φ = 13184006832.

The previous prime is 21424011139. The next prime is 21424011151. The reversal of 21424011141 is 14111042412.

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

It is not a de Polignac number, because 21424011141 - 2¹ = 21424011139 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 (21424011101) 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, 274666771 + ... + 274666848.

It is an arithmetic number, because the mean of its divisors is an integer number (3845335340).

Almost surely, 2^21424011141 is an apocalyptic number.

It is an amenable number.

21424011141 is a deficient number, since it is larger than the sum of its proper divisors (9338671579).

21424011141 is a wasteful number, since it uses less digits than its factorization.

21424011141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549333635.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 21424011141 its reverse (14111042412), we get a palindrome (35535053553).

The spelling of 21424011141 in words is "twenty-one billion, four hundred twenty-four million, eleven thousand, one hundred forty-one".