201020021201022 has 32 divisors (see below), whose sum is σ = 404300272337280. Its totient is φ = 66629995034400.

The previous prime is 201020021200987. The next prime is 201020021201033. The reversal of 201020021201022 is 220102120020102.

It is a junction number, because it is equal to n+sod(n) for n = 201020021200992 and 201020021201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27447772 + ... + 33991472.

It is an arithmetic number, because the mean of its divisors is an integer number (12634383510540).

Almost surely, 2^{201020021201022} is an apocalyptic number.

201020021201022 is an abundant number, since it is smaller than the sum of its proper divisors (203280251136258).

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

201020021201022 is a wasteful number, since it uses less digits than its factorization.

201020021201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572488.

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

Adding to 201020021201022 its reverse (220102120020102), we get a palindrome (421122141221124).

The spelling of 201020021201022 in words is "two hundred one trillion, twenty billion, twenty-one million, two hundred one thousand, twenty-two".