21332102221000 has 32 divisors (see below), whose sum is σ = 49917119199480. Its totient is φ = 8532840888000.

The previous prime is 21332102220899. The next prime is 21332102221037. The reversal of 21332102221000 is 12220123312.

It can be written as a sum of positive squares in 4 ways, for example, as 12271051036036 + 9061051184964 = 3503006^2 + 3010158^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10666050111 + ... + 10666052110.

Almost surely, 2^{21332102221000} is an apocalyptic number.

21332102221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332102221000 is an abundant number, since it is smaller than the sum of its proper divisors (28585016978480).

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

21332102221000 is a wasteful number, since it uses less digits than its factorization.

21332102221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332102242 (or 21332102228 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21332102221000 its reverse (12220123312), we get a palindrome (21344322344312).

The spelling of 21332102221000 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred two million, two hundred twenty-one thousand".