201020202101022 has 32 divisors (see below), whose sum is σ = 411391329414912. Its totient is φ = 65448255198144.

The previous prime is 201020202101011. The next prime is 201020202101027. The reversal of 201020202101022 is 220101202020102.

It is a junction number, because it is equal to n+sod(n) for n = 201020202100992 and 201020202101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020202101027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115831303 + ... + 117553949.

It is an arithmetic number, because the mean of its divisors is an integer number (12855979044216).

Almost surely, 2^{201020202101022} is an apocalyptic number.

201020202101022 is an abundant number, since it is smaller than the sum of its proper divisors (210371127313890).

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

201020202101022 is a wasteful number, since it uses less digits than its factorization.

201020202101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174992.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201020202101022 its reverse (220101202020102), we get a palindrome (421121404121124).

The spelling of 201020202101022 in words is "two hundred one trillion, twenty billion, two hundred two million, one hundred one thousand, twenty-two".