21332221111310 has 16 divisors (see below), whose sum is σ = 38398579458336. Its totient is φ = 8532759231648.

The previous prime is 21332221111309. The next prime is 21332221111319. The reversal of 21332221111310 is 1311112223312.

It is a happy number.

It is a super-2 number, since 2×21332221111310² (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 (21332221111319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15456794 + ... + 16780253.

It is an arithmetic number, because the mean of its divisors is an integer number (2399911216146).

Almost surely, 2^{21332221111310} is an apocalyptic number.

21332221111310 is a deficient number, since it is larger than the sum of its proper divisors (17066358347026).

21332221111310 is a wasteful number, since it uses less digits than its factorization.

21332221111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32303227.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 21332221111310 its reverse (1311112223312), we get a palindrome (22643333334622).

The spelling of 21332221111310 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twenty-one million, one hundred eleven thousand, three hundred ten".