21333231032230 has 192 divisors, whose sum is σ = 43816128455232. Its totient is φ = 7432769203200.

The previous prime is 21333231032189. The next prime is 21333231032231. The reversal of 21333231032230 is 3223013233312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333231032231) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1965647484 + ... + 1965658336.

It is an arithmetic number, because the mean of its divisors is an integer number (228209002371).

Almost surely, 2^{21333231032230} is an apocalyptic number.

21333231032230 is an abundant number, since it is smaller than the sum of its proper divisors (22482897423002).

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

21333231032230 is a wasteful number, since it uses less digits than its factorization.

21333231032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303 (or 11280 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21333231032230 its reverse (3223013233312), we get a palindrome (24556244265542).

The spelling of 21333231032230 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred thirty-one million, thirty-two thousand, two hundred thirty".