21013301322210 has 64 divisors (see below), whose sum is σ = 51428896710912. Its totient is φ = 5493691478016.

The previous prime is 21013301322203. The next prime is 21013301322241. The reversal of 21013301322210 is 1222310331012.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28362159 + ... + 29093618.

It is an arithmetic number, because the mean of its divisors is an integer number (803576511108).

Almost surely, 2^{21013301322210} is an apocalyptic number.

21013301322210 is an abundant number, since it is smaller than the sum of its proper divisors (30415595388702).

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

21013301322210 is a wasteful number, since it uses less digits than its factorization.

21013301322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57456027.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21013301322210 its reverse (1222310331012), we get a palindrome (22235611653222).

The spelling of 21013301322210 in words is "twenty-one trillion, thirteen billion, three hundred one million, three hundred twenty-two thousand, two hundred ten".