21333102031010 has 64 divisors (see below), whose sum is σ = 47876038087680. Its totient is φ = 6649107376320.

The previous prime is 21333102031009. The next prime is 21333102031027. The reversal of 21333102031010 is 1013020133312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31408781 + ... + 32080799.

It is an arithmetic number, because the mean of its divisors is an integer number (748063095120).

Almost surely, 2^{21333102031010} is an apocalyptic number.

21333102031010 is an abundant number, since it is smaller than the sum of its proper divisors (26542936056670).

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

21333102031010 is a wasteful number, since it uses less digits than its factorization.

21333102031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713271.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21333102031010 its reverse (1013020133312), we get a palindrome (22346122164322).

The spelling of 21333102031010 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred two million, thirty-one thousand, ten".