21010110221202 has 16 divisors (see below), whose sum is σ = 42033867839040. Its totient is φ = 7001095507632.

The previous prime is 21010110221183. The next prime is 21010110221203. The reversal of 21010110221202 is 20212201101012.

It is not an unprimeable number, because it can be changed into a prime (21010110221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568621513 + ... + 568658460.

It is an arithmetic number, because the mean of its divisors is an integer number (2627116739940).

Almost surely, 2^{21010110221202} is an apocalyptic number.

21010110221202 is an abundant number, since it is smaller than the sum of its proper divisors (21023757617838).

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

21010110221202 is a wasteful number, since it uses less digits than its factorization.

21010110221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137283057.

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

Adding to 21010110221202 its reverse (20212201101012), we get a palindrome (41222311322214).

The spelling of 21010110221202 in words is "twenty-one trillion, ten billion, one hundred ten million, two hundred twenty-one thousand, two hundred two".