21104003424300 has 72 divisors (see below), whose sum is σ = 61413870000336. Its totient is φ = 5595203976960.

The previous prime is 21104003424281. The next prime is 21104003424323. The reversal of 21104003424300 is 342430040112.

It is a super-2 number, since 2×21104003424300² (a number of 27 digits) contains 22 as substring.

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, 203262199 + ... + 203365998.

Almost surely, 2^{21104003424300} is an apocalyptic number.

21104003424300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21104003424300 is an abundant number, since it is smaller than the sum of its proper divisors (40309866576036).

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

21104003424300 is a wasteful number, since it uses less digits than its factorization.

21104003424300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406628387 (or 406628380 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21104003424300 its reverse (342430040112), we get a palindrome (21446433464412).

The spelling of 21104003424300 in words is "twenty-one trillion, one hundred four billion, three million, four hundred twenty-four thousand, three hundred".