201122102102020 has 48 divisors (see below), whose sum is σ = 460761748368768. Its totient is φ = 73133834255360.

The previous prime is 201122102101997. The next prime is 201122102102087. The reversal of 201122102102020 is 20201201221102.

It is a happy number.

201122102102020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201122102101985 and 201122102102003.

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, 1735689 + ... + 20130991.

It is an arithmetic number, because the mean of its divisors is an integer number (9599203091016).

Almost surely, 2^{201122102102020} is an apocalyptic number.

201122102102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122102102020 is an abundant number, since it is smaller than the sum of its proper divisors (259639646266748).

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

201122102102020 is a wasteful number, since it uses less digits than its factorization.

201122102102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445020 (or 18445018 counting only the distinct ones).

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

Adding to 201122102102020 its reverse (20201201221102), we get a palindrome (221323303323122).

The spelling of 201122102102020 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, one hundred two thousand, twenty".