21314424522216 has 64 divisors (see below), whose sum is σ = 60907914518400. Its totient is φ = 6088879703808.

The previous prime is 21314424522169. The next prime is 21314424522233. The reversal of 21314424522216 is 61222542441312.

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, 8883171 + ... + 11024498.

It is an arithmetic number, because the mean of its divisors is an integer number (951686164350).

Almost surely, 2^{21314424522216} is an apocalyptic number.

It is an amenable number.

21314424522216 is an abundant number, since it is smaller than the sum of its proper divisors (39593489996184).

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

21314424522216 is a wasteful number, since it uses less digits than its factorization.

21314424522216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914058 (or 19914054 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

Adding to 21314424522216 its reverse (61222542441312), we get a palindrome (82536966963528).

The spelling of 21314424522216 in words is "twenty-one trillion, three hundred fourteen billion, four hundred twenty-four million, five hundred twenty-two thousand, two hundred sixteen".