21331444313410 has 192 divisors, whose sum is σ = 49911967445760. Its totient is φ = 6417565862400.

The previous prime is 21331444313383. The next prime is 21331444313423. The reversal of 21331444313410 is 1431344413312.

It is a super-2 number, since 2×21331444313410² (a number of 27 digits) contains 22 as substring.

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, 962121625 + ... + 962143795.

It is an arithmetic number, because the mean of its divisors is an integer number (259958163780).

Almost surely, 2^{21331444313410} is an apocalyptic number.

21331444313410 is an abundant number, since it is smaller than the sum of its proper divisors (28580523132350).

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

21331444313410 is a wasteful number, since it uses less digits than its factorization.

21331444313410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26153 (or 26142 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 21331444313410 its reverse (1431344413312), we get a palindrome (22762788726722).

The spelling of 21331444313410 in words is "twenty-one trillion, three hundred thirty-one billion, four hundred forty-four million, three hundred thirteen thousand, four hundred ten".