200021022122001 has 64 divisors (see below), whose sum is σ = 272506606794240. Its totient is φ = 130466844426240.

The previous prime is 200021022121957. The next prime is 200021022122003. The reversal of 200021022122001 is 100221220120002.

It is not a de Polignac number, because 200021022122001 - 2¹⁵ = 200021022089233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200021022122003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73726877421 + ... + 73726880133.

It is an arithmetic number, because the mean of its divisors is an integer number (4257915731160).

Almost surely, 2^{200021022122001} is an apocalyptic number.

It is an amenable number.

200021022122001 is a deficient number, since it is larger than the sum of its proper divisors (72485584672239).

200021022122001 is a wasteful number, since it uses less digits than its factorization.

200021022122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200021022122001 its reverse (100221220120002), we get a palindrome (300242242242003).

The spelling of 200021022122001 in words is "two hundred trillion, twenty-one billion, twenty-two million, one hundred twenty-two thousand, one".