21333213020010 has 192 divisors, whose sum is σ = 56921930088192. Its totient is φ = 5106212880384.

The previous prime is 21333213019969. The next prime is 21333213020051. The reversal of 21333213020010 is 1002031233312.

It is an interprime number because it is at equal distance from previous prime (21333213019969) and next prime (21333213020051).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67042444 + ... + 67359896.

It is an arithmetic number, because the mean of its divisors is an integer number (296468385876).

Almost surely, 2^{21333213020010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21333213020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28460965044096).

21333213020010 is an abundant number, since it is smaller than the sum of its proper divisors (35588717068182).

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

21333213020010 is a wasteful number, since it uses less digits than its factorization.

21333213020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317857 (or 317840 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21333213020010 its reverse (1002031233312), we get a palindrome (22335244253322).

The spelling of 21333213020010 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred thirteen million, twenty thousand, ten".