21033122012310 has 64 divisors (see below), whose sum is σ = 53493827647680. Its totient is φ = 5283340984320.

The previous prime is 21033122012267. The next prime is 21033122012317. The reversal of 21033122012310 is 1321022133012.

It is a super-2 number, since 2×21033122012310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033122012317) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 294793627 + ... + 294864966.

It is an arithmetic number, because the mean of its divisors is an integer number (835841056995).

Almost surely, 2^{21033122012310} is an apocalyptic number.

21033122012310 is an abundant number, since it is smaller than the sum of its proper divisors (32460705635370).

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

21033122012310 is a wasteful number, since it uses less digits than its factorization.

21033122012310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589658673.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21033122012310 its reverse (1321022133012), we get a palindrome (22354144145322).

The spelling of 21033122012310 in words is "twenty-one trillion, thirty-three billion, one hundred twenty-two million, twelve thousand, three hundred ten".