201022112201020 has 96 divisors (see below), whose sum is σ = 461061701565696. Its totient is φ = 73013521190400.

The previous prime is 201022112201011. The next prime is 201022112201107. The reversal of 201022112201020 is 20102211220102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201022112200985 and 201022112201003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1905966327 + ... + 1906071793.

It is an arithmetic number, because the mean of its divisors is an integer number (4802726057976).

Almost surely, 2^{201022112201020} is an apocalyptic number.

201022112201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022112201020 is an abundant number, since it is smaller than the sum of its proper divisors (260039589364676).

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

201022112201020 is a wasteful number, since it uses less digits than its factorization.

201022112201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115531 (or 115529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201022112201020 its reverse (20102211220102), we get a palindrome (221124323421122).

It can be divided in two parts, 2010221 and 12201020, that added together give a palindrome (14211241).

The spelling of 201022112201020 in words is "two hundred one trillion, twenty-two billion, one hundred twelve million, two hundred one thousand, twenty".