201022221102020 has 24 divisors (see below), whose sum is σ = 422153001561984. Its totient is φ = 80407681346016.

The previous prime is 201022221101959. The next prime is 201022221102037. The reversal of 201022221102020 is 20201122220102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201022221102020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74077244 + ... + 76742963.

It is an arithmetic number, because the mean of its divisors is an integer number (17589708398416).

Almost surely, 2^{201022221102020} is an apocalyptic number.

201022221102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022221102020 is an abundant number, since it is smaller than the sum of its proper divisors (221130780459964).

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

201022221102020 is a wasteful number, since it uses less digits than its factorization.

201022221102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150886859 (or 150886857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201022221102020 its reverse (20201122220102), we get a palindrome (221223343322122).

The spelling of 201022221102020 in words is "two hundred one trillion, twenty-two billion, two hundred twenty-one million, one hundred two thousand, twenty".