21104003424282 has 16 divisors (see below), whose sum is σ = 42232503681120. Its totient is φ = 7030585002672.

The previous prime is 21104003424281. The next prime is 21104003424323. The reversal of 21104003424282 is 28242430040112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21104003424281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020690157 + ... + 1020710832.

It is an arithmetic number, because the mean of its divisors is an integer number (2639531480070).

Almost surely, 2^{21104003424282} is an apocalyptic number.

21104003424282 is an abundant number, since it is smaller than the sum of its proper divisors (21128500256838).

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

21104003424282 is a wasteful number, since it uses less digits than its factorization.

21104003424282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041402717.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 21104003424282 its reverse (28242430040112), we get a palindrome (49346433464394).

The spelling of 21104003424282 in words is "twenty-one trillion, one hundred four billion, three million, four hundred twenty-four thousand, two hundred eighty-two".