21333130233230 has 16 divisors (see below), whose sum is σ = 38552621015664. Its totient is φ = 8499255072000.

The previous prime is 21333130233203. The next prime is 21333130233251. The reversal of 21333130233230 is 3233203133312.

It is a junction number, because it is equal to n+sod(n) for n = 21333130233193 and 21333130233202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249625027 + ... + 4249630046.

It is an arithmetic number, because the mean of its divisors is an integer number (2409538813479).

Almost surely, 2^{21333130233230} is an apocalyptic number.

21333130233230 is a deficient number, since it is larger than the sum of its proper divisors (17219490782434).

21333130233230 is a wasteful number, since it uses less digits than its factorization.

21333130233230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8499255331.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 21333130233230 its reverse (3233203133312), we get a palindrome (24566333366542).

The spelling of 21333130233230 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred thirty million, two hundred thirty-three thousand, two hundred thirty".