21202010110122 has 32 divisors (see below), whose sum is σ = 42881351011200. Its totient is φ = 6987784835328.

The previous prime is 21202010110111. The next prime is 21202010110163. The reversal of 21202010110122 is 22101101020212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27373779 + ... + 28137657.

It is an arithmetic number, because the mean of its divisors is an integer number (1340042219100).

Almost surely, 2^{21202010110122} is an apocalyptic number.

21202010110122 is an abundant number, since it is smaller than the sum of its proper divisors (21679340901078).

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

21202010110122 is a wasteful number, since it uses less digits than its factorization.

21202010110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815950.

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

Adding to 21202010110122 its reverse (22101101020212), we get a palindrome (43303111130334).

The spelling of 21202010110122 in words is "twenty-one trillion, two hundred two billion, ten million, one hundred ten thousand, one hundred twenty-two".