21211102000122 has 16 divisors (see below), whose sum is σ = 42422249938752. Its totient is φ = 7070359676960.

The previous prime is 21211102000051. The next prime is 21211102000129. The reversal of 21211102000122 is 22100020111212.

It is not an unprimeable number, because it can be changed into a prime (21211102000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8196523 + ... + 10469249.

It is an arithmetic number, because the mean of its divisors is an integer number (2651390621172).

Almost surely, 2^{21211102000122} is an apocalyptic number.

21211102000122 is an abundant number, since it is smaller than the sum of its proper divisors (21211147938630).

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

21211102000122 is a wasteful number, since it uses less digits than its factorization.

21211102000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828213.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21211102000122 its reverse (22100020111212), we get a palindrome (43311122111334).

The spelling of 21211102000122 in words is "twenty-one trillion, two hundred eleven billion, one hundred two million, one hundred twenty-two", and thus it is an aban number.