21421424130022 has 32 divisors (see below), whose sum is σ = 37415869920000. Its totient is φ = 9007258317408.

The previous prime is 21421424130019. The next prime is 21421424130053. The reversal of 21421424130022 is 22003142412412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62527429 + ... + 62869087.

It is an arithmetic number, because the mean of its divisors is an integer number (1169245935000).

Almost surely, 2^{21421424130022} is an apocalyptic number.

21421424130022 is a deficient number, since it is larger than the sum of its proper divisors (15994445789978).

21421424130022 is a wasteful number, since it uses less digits than its factorization.

21421424130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426220.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21421424130022 its reverse (22003142412412), we get a palindrome (43424566542434).

The spelling of 21421424130022 in words is "twenty-one trillion, four hundred twenty-one billion, four hundred twenty-four million, one hundred thirty thousand, twenty-two".