21522124114020 has 72 divisors (see below), whose sum is σ = 65893905290304. Its totient is φ = 5685595399488.

The previous prime is 21522124113989. The next prime is 21522124114087. The reversal of 21522124114020 is 2041142122512.

21522124114020 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 212 + 41 + 1 + 402 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558706704 + ... + 558745223.

It is an arithmetic number, because the mean of its divisors is an integer number (915193129032).

Almost surely, 2^{21522124114020} is an apocalyptic number.

21522124114020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21522124114020 is an abundant number, since it is smaller than the sum of its proper divisors (44371781176284).

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

21522124114020 is a wasteful number, since it uses less digits than its factorization.

21522124114020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117452049 (or 1117452044 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 21522124114020 its reverse (2041142122512), we get a palindrome (23563266236532).

The spelling of 21522124114020 in words is "twenty-one trillion, five hundred twenty-two billion, one hundred twenty-four million, one hundred fourteen thousand, twenty".