21332032220111 has 16 divisors (see below), whose sum is σ = 21495775874400. Its totient is φ = 21168965236608.

The previous prime is 21332032220071. The next prime is 21332032220159. The reversal of 21332032220111 is 11102223023312.

It is a cyclic number.

It is not a de Polignac number, because 21332032220111 - 2¹⁸ = 21332031957967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332032223111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231614876 + ... + 231706958.

It is an arithmetic number, because the mean of its divisors is an integer number (1343485992150).

Almost surely, 2^{21332032220111} is an apocalyptic number.

21332032220111 is a deficient number, since it is larger than the sum of its proper divisors (163743654289).

21332032220111 is a wasteful number, since it uses less digits than its factorization.

21332032220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95738.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21332032220111 its reverse (11102223023312), we get a palindrome (32434255243423).

The spelling of 21332032220111 in words is "twenty-one trillion, three hundred thirty-two billion, thirty-two million, two hundred twenty thousand, one hundred eleven".