20201122110122 has 32 divisors (see below), whose sum is σ = 31285719424512. Its totient is φ = 9777393990144.

The previous prime is 20201122110119. The next prime is 20201122110161. The reversal of 20201122110122 is 22101122110202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201122110122.

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, 13351148 + ... + 14787000.

It is an arithmetic number, because the mean of its divisors is an integer number (977678732016).

Almost surely, 2^{20201122110122} is an apocalyptic number.

20201122110122 is a deficient number, since it is larger than the sum of its proper divisors (11084597314390).

20201122110122 is a wasteful number, since it uses less digits than its factorization.

20201122110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437542.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20201122110122 its reverse (22101122110202), we get a palindrome (42302244220324).

The spelling of 20201122110122 in words is "twenty trillion, two hundred one billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".