21141224334 has 12 divisors (see below), whose sum is σ = 45805986096. Its totient is φ = 7047074772.

The previous prime is 21141224281. The next prime is 21141224339. The reversal of 21141224334 is 43342214112.

21141224334 is a `hidden beast` number, since 2 + 1 + 1 + 412 + 243 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21141224298 and 21141224307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141224339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587256214 + ... + 587256249.

It is an arithmetic number, because the mean of its divisors is an integer number (3817165508).

Almost surely, 2^21141224334 is an apocalyptic number.

21141224334 is an abundant number, since it is smaller than the sum of its proper divisors (24664761762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21141224334 is a wasteful number, since it uses less digits than its factorization.

21141224334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174512471 (or 1174512468 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 21141224334 its reverse (43342214112), we get a palindrome (64483438446).

The spelling of 21141224334 in words is "twenty-one billion, one hundred forty-one million, two hundred twenty-four thousand, three hundred thirty-four".