21232224141 has 16 divisors (see below), whose sum is σ = 28691065920. Its totient is φ = 13965091200.

The previous prime is 21232224049. The next prime is 21232224179. The reversal of 21232224141 is 14142223212.

It is a de Polignac number, because none of the positive numbers 2^k-21232224141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232224191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38056 + ... + 209553.

It is an arithmetic number, because the mean of its divisors is an integer number (1793191620).

Almost surely, 2^21232224141 is an apocalyptic number.

It is an amenable number.

21232224141 is a deficient number, since it is larger than the sum of its proper divisors (7458841779).

21232224141 is a wasteful number, since it uses less digits than its factorization.

21232224141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247996.

The product of its digits is 1536, while the sum is 24.

Adding to 21232224141 its reverse (14142223212), we get a palindrome (35374447353).

The spelling of 21232224141 in words is "twenty-one billion, two hundred thirty-two million, two hundred twenty-four thousand, one hundred forty-one".