201122222201020 has 24 divisors (see below), whose sum is σ = 422356952908800. Its totient is φ = 80448834349632.

The previous prime is 201122222201011. The next prime is 201122222201083. The reversal of 201122222201020 is 20102222221102.

It is a super-4 number, since 4×201122222201020⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

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, 40858686 + ... + 45515674.

It is an arithmetic number, because the mean of its divisors is an integer number (17598206371200).

Almost surely, 2^{201122222201020} is an apocalyptic number.

201122222201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122222201020 is an abundant number, since it is smaller than the sum of its proper divisors (221234730707780).

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

201122222201020 is a wasteful number, since it uses less digits than its factorization.

201122222201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816357 (or 6816355 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201122222201020 its reverse (20102222221102), we get a palindrome (221224444422122).

The spelling of 201122222201020 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, twenty".