21233320110320 has 40 divisors (see below), whose sum is σ = 51069795788160. Its totient is φ = 8200454662400.

The previous prime is 21233320110313. The next prime is 21233320110347. The reversal of 21233320110320 is 2301102333212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4576144256 + ... + 4576148895.

It is an arithmetic number, because the mean of its divisors is an integer number (1276744894704).

Almost surely, 2^{21233320110320} is an apocalyptic number.

21233320110320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233320110320 is an abundant number, since it is smaller than the sum of its proper divisors (29836475677840).

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

21233320110320 is a wasteful number, since it uses less digits than its factorization.

21233320110320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152293193 (or 9152293187 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21233320110320 its reverse (2301102333212), we get a palindrome (23534422443532).

The spelling of 21233320110320 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred twenty million, one hundred ten thousand, three hundred twenty".