21332333210 has 64 divisors (see below), whose sum is σ = 42535342080. Its totient is φ = 7668295680.

The previous prime is 21332333203. The next prime is 21332333221. The reversal of 21332333210 is 1233323312.

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 31 ways as a sum of consecutive naturals, for example, 295031 + ... + 360149.

It is an arithmetic number, because the mean of its divisors is an integer number (664614720).

Almost surely, 2^21332333210 is an apocalyptic number.

21332333210 is a deficient number, since it is larger than the sum of its proper divisors (21203008870).

21332333210 is a wasteful number, since it uses less digits than its factorization.

21332333210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65231.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21332333210 its reverse (1233323312), we get a palindrome (22565656522).

The spelling of 21332333210 in words is "twenty-one billion, three hundred thirty-two million, three hundred thirty-three thousand, two hundred ten".