21332404333042 has 32 divisors (see below), whose sum is σ = 34966773152640. Its totient is φ = 9680113960320.

The previous prime is 21332404333027. The next prime is 21332404333099. The reversal of 21332404333042 is 24033340423312.

It is a junction number, because it is equal to n+sod(n) for n = 21332404332989 and 21332404333007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36496848 + ... + 37076740.

It is an arithmetic number, because the mean of its divisors is an integer number (1092711661020).

Almost surely, 2^{21332404333042} is an apocalyptic number.

21332404333042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21332404333042 is a deficient number, since it is larger than the sum of its proper divisors (13634368819598).

21332404333042 is a wasteful number, since it uses less digits than its factorization.

21332404333042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582738.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 21332404333042 its reverse (24033340423312), we get a palindrome (45365744756354).

The spelling of 21332404333042 in words is "twenty-one trillion, three hundred thirty-two billion, four hundred four million, three hundred thirty-three thousand, forty-two".