21333333333230 has 32 divisors (see below), whose sum is σ = 38641972386528. Its totient is φ = 8479612796800.

The previous prime is 21333333333163. The next prime is 21333333333283. The reversal of 21333333333230 is 3233333333312.

It is a super-2 number, since 2×21333333333230² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 147620 + ... + 6533640.

It is an arithmetic number, because the mean of its divisors is an integer number (1207561637079).

Almost surely, 2^{21333333333230} is an apocalyptic number.

21333333333230 is a deficient number, since it is larger than the sum of its proper divisors (17308639053298).

21333333333230 is a wasteful number, since it uses less digits than its factorization.

21333333333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388132.

The product of its (nonzero) digits is 236196, while the sum is 35.

Adding to 21333333333230 its reverse (3233333333312), we get a palindrome (24566666666542).

The spelling of 21333333333230 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred thirty".