200021322122001 has 24 divisors (see below), whose sum is σ = 296774978918184. Its totient is φ = 129723162197760.

The previous prime is 200021322121987. The next prime is 200021322122009. The reversal of 200021322122001 is 100221223120002.

200021322122001 is a `hidden beast` number, since 200 + 0 + 21 + 3 + 221 + 220 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31399436390400 + 168621885731601 = 5603520^2 + 12985449^2 .

It is not a de Polignac number, because 200021322122001 - 2⁶ = 200021322121937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200021322122009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45096426 + ... + 49332851.

It is an arithmetic number, because the mean of its divisors is an integer number (12365624121591).

Almost surely, 2^{200021322122001} is an apocalyptic number.

It is an amenable number.

200021322122001 is a deficient number, since it is larger than the sum of its proper divisors (96753656796183).

200021322122001 is a wasteful number, since it uses less digits than its factorization.

200021322122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94435681 (or 94435678 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200021322122001 its reverse (100221223120002), we get a palindrome (300242545242003).

The spelling of 200021322122001 in words is "two hundred trillion, twenty-one billion, three hundred twenty-two million, one hundred twenty-two thousand, one".