200201022021 has 128 divisors (see below), whose sum is σ = 371155341312. Its totient is φ = 93399609600.

The previous prime is 200201022013. The next prime is 200201022031. The reversal of 200201022021 is 120220102002.

200201022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200201022021 - 2³ = 200201022013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200201021988 and 200201022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201022031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13436986 + ... + 13451876.

It is an arithmetic number, because the mean of its divisors is an integer number (2899651104).

Almost surely, 2^200201022021 is an apocalyptic number.

200201022021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200201022021 is a deficient number, since it is larger than the sum of its proper divisors (170954319291).

200201022021 is a wasteful number, since it uses less digits than its factorization.

200201022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14984 (or 14962 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200201022021 its reverse (120220102002), we get a palindrome (320421124023).

The spelling of 200201022021 in words is "two hundred billion, two hundred one million, twenty-two thousand, twenty-one".