21333232333210 has 32 divisors (see below), whose sum is σ = 44205838698240. Its totient is φ = 7260862388352.

The previous prime is 21333232333199. The next prime is 21333232333249. The reversal of 21333232333210 is 1233323233312.

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, 1112254870 + ... + 1112274049.

It is an arithmetic number, because the mean of its divisors is an integer number (1381432459320).

Almost surely, 2^{21333232333210} is an apocalyptic number.

21333232333210 is an abundant number, since it is smaller than the sum of its proper divisors (22872606365030).

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

21333232333210 is a wasteful number, since it uses less digits than its factorization.

21333232333210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224529070.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 21333232333210 its reverse (1233323233312), we get a palindrome (22566555566522).

The spelling of 21333232333210 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred thirty-two million, three hundred thirty-three thousand, two hundred ten".