21002333332010 has 32 divisors (see below), whose sum is σ = 38841288937920. Its totient is φ = 8173404974592.

The previous prime is 21002333331997. The next prime is 21002333332021. The reversal of 21002333332010 is 1023333320012.

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, 183433364 + ... + 183547823.

It is an arithmetic number, because the mean of its divisors is an integer number (1213790279310).

Almost surely, 2^{21002333332010} is an apocalyptic number.

21002333332010 is a deficient number, since it is larger than the sum of its proper divisors (17838955605910).

21002333332010 is a wasteful number, since it uses less digits than its factorization.

21002333332010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366981350.

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

Adding to 21002333332010 its reverse (1023333320012), we get a palindrome (22025666652022).

The spelling of 21002333332010 in words is "twenty-one trillion, two billion, three hundred thirty-three million, three hundred thirty-two thousand, ten".