21334130422 has 16 divisors (see below), whose sum is σ = 34912976400. Its totient is φ = 9696615040.

The previous prime is 21334130407. The next prime is 21334130437. The reversal of 21334130422 is 22403143312.

It is an interprime number because it is at equal distance from previous prime (21334130407) and next prime (21334130437).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371154 + ... + 424762.

It is an arithmetic number, because the mean of its divisors is an integer number (2182061025).

Almost surely, 2^21334130422 is an apocalyptic number.

21334130422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21334130422 is a deficient number, since it is larger than the sum of its proper divisors (13578845978).

21334130422 is a wasteful number, since it uses less digits than its factorization.

21334130422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71711.

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

Adding to 21334130422 its reverse (22403143312), we get a palindrome (43737273734).

The spelling of 21334130422 in words is "twenty-one billion, three hundred thirty-four million, one hundred thirty thousand, four hundred twenty-two".