21134330422 has 8 divisors (see below), whose sum is σ = 32009277456. Its totient is φ = 10464571272.

The previous prime is 21134330417. The next prime is 21134330423. The reversal of 21134330422 is 22403343112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21134330423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51296713 + ... + 51297124.

It is an arithmetic number, because the mean of its divisors is an integer number (4001159682).

Almost surely, 2^21134330422 is an apocalyptic number.

21134330422 is a deficient number, since it is larger than the sum of its proper divisors (10874947034).

21134330422 is a wasteful number, since it uses less digits than its factorization.

21134330422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102593942.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21134330422 its reverse (22403343112), we get a palindrome (43537673534).

The spelling of 21134330422 in words is "twenty-one billion, one hundred thirty-four million, three hundred thirty thousand, four hundred twenty-two".