21013310311122 has 16 divisors (see below), whose sum is σ = 43162475234112. Its totient is φ = 6815127668400.

The previous prime is 21013310311117. The next prime is 21013310311151. The reversal of 21013310311122 is 22111301331012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47327275254 + ... + 47327275697.

It is an arithmetic number, because the mean of its divisors is an integer number (2697654702132).

Almost surely, 2^{21013310311122} is an apocalyptic number.

21013310311122 is an abundant number, since it is smaller than the sum of its proper divisors (22149164922990).

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

21013310311122 is a wasteful number, since it uses less digits than its factorization.

21013310311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94654550993.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21013310311122 its reverse (22111301331012), we get a palindrome (43124611642134).

The spelling of 21013310311122 in words is "twenty-one trillion, thirteen billion, three hundred ten million, three hundred eleven thousand, one hundred twenty-two".