200021122120001 has 8 divisors (see below), whose sum is σ = 246179842609344. Its totient is φ = 158258470248720.

The previous prime is 200021122119997. The next prime is 200021122120021. The reversal of 200021122120001 is 100021221120002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200021122120001 - 2² = 200021122119997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200021122120021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1099017154415 + ... + 1099017154596.

It is an arithmetic number, because the mean of its divisors is an integer number (30772480326168).

Almost surely, 2^{200021122120001} is an apocalyptic number.

It is an amenable number.

200021122120001 is a deficient number, since it is larger than the sum of its proper divisors (46158720489343).

200021122120001 is a wasteful number, since it uses less digits than its factorization.

200021122120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198034309031.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200021122120001 its reverse (100021221120002), we get a palindrome (300042343240003).

Subtracting from 200021122120001 its reverse (100021221120002), we obtain a palindrome (99999900999999).

The spelling of 200021122120001 in words is "two hundred trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, one".