21332600065010 has 32 divisors (see below), whose sum is σ = 41499586466352. Its totient is φ = 7848621527040.

The previous prime is 21332600064991. The next prime is 21332600065027. The reversal of 21332600065010 is 1056000623312.

It can be written as a sum of positive squares in 8 ways, for example, as 3480884998369 + 17851715066641 = 1865713^2 + 4225129^2 .

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, 291950879 + ... + 292023938.

Almost surely, 2^{21332600065010} is an apocalyptic number.

21332600065010 is a deficient number, since it is larger than the sum of its proper divisors (20166986401342).

21332600065010 is a wasteful number, since it uses less digits than its factorization.

21332600065010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583975118.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 21332600065010 its reverse (1056000623312), we get a palindrome (22388600688322).

The spelling of 21332600065010 in words is "twenty-one trillion, three hundred thirty-two billion, six hundred million, sixty-five thousand, ten".