200021212222201 has 16 divisors (see below), whose sum is σ = 206259191203968. Its totient is φ = 193847998032000.

The previous prime is 200021212221983. The next prime is 200021212222243. The reversal of 200021212222201 is 102222212120002.

It is a de Polignac number, because none of the positive numbers 2^k-200021212222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021212222301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762618655 + ... + 762880891.

It is an arithmetic number, because the mean of its divisors is an integer number (12891199450248).

Almost surely, 2^{200021212222201} is an apocalyptic number.

It is an amenable number.

200021212222201 is a deficient number, since it is larger than the sum of its proper divisors (6237978981767).

200021212222201 is a wasteful number, since it uses less digits than its factorization.

200021212222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385632.

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

Adding to 200021212222201 its reverse (102222212120002), we get a palindrome (302243424342203).

The spelling of 200021212222201 in words is "two hundred trillion, twenty-one billion, two hundred twelve million, two hundred twenty-two thousand, two hundred one".