21304421330229 has 48 divisors (see below), whose sum is σ = 31276136219328. Its totient is φ = 13972327428096.

The previous prime is 21304421330221. The next prime is 21304421330251. The reversal of 21304421330229 is 92203312440312.

21304421330229 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 4 + 421 + 3 + 3 + 0 + 229 = 666.

It is not a de Polignac number, because 21304421330229 - 2³ = 21304421330221 is a prime.

It is a super-3 number, since 3×21304421330229³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21304421330193 and 21304421330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21304421330221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179100277 + ... + 179219189.

It is an arithmetic number, because the mean of its divisors is an integer number (651586171236).

Almost surely, 2^{21304421330229} is an apocalyptic number.

It is an amenable number.

21304421330229 is a deficient number, since it is larger than the sum of its proper divisors (9971714889099).

21304421330229 is a wasteful number, since it uses less digits than its factorization.

21304421330229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120018 (or 120015 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 21304421330229 in words is "twenty-one trillion, three hundred four billion, four hundred twenty-one million, three hundred thirty thousand, two hundred twenty-nine".