21331123424110 has 64 divisors (see below), whose sum is σ = 40096227612672. Its totient is φ = 8163298555776.

The previous prime is 21331123424101. The next prime is 21331123424111. The reversal of 21331123424110 is 1142432113312.

It is a super-2 number, since 2×21331123424110² (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 (21331123424111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13062537 + ... + 14604523.

It is an arithmetic number, because the mean of its divisors is an integer number (626503556448).

Almost surely, 2^{21331123424110} is an apocalyptic number.

21331123424110 is a deficient number, since it is larger than the sum of its proper divisors (18765104188562).

21331123424110 is a wasteful number, since it uses less digits than its factorization.

21331123424110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542697.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 21331123424110 its reverse (1142432113312), we get a palindrome (22473555537422).

The spelling of 21331123424110 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred twenty-three million, four hundred twenty-four thousand, one hundred ten".