21200122200001 has 8 divisors (see below), whose sum is σ = 21379036289024. Its totient is φ = 21021395361120.

The previous prime is 21200122199933. The next prime is 21200122200011. The reversal of 21200122200001 is 10000222100212.

It is a happy number.

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 21200122200001 - 2¹¹ = 21200122197953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200122200011) 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 7 ways as a sum of consecutive naturals, for example, 46585140 + ... + 47038021.

It is an arithmetic number, because the mean of its divisors is an integer number (2672379536128).

Almost surely, 2^{21200122200001} is an apocalyptic number.

It is an amenable number.

21200122200001 is a deficient number, since it is larger than the sum of its proper divisors (178914089023).

21200122200001 is a wasteful number, since it uses less digits than its factorization.

21200122200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93625071.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21200122200001 its reverse (10000222100212), we get a palindrome (31200344300213).

The spelling of 21200122200001 in words is "twenty-one trillion, two hundred billion, one hundred twenty-two million, two hundred thousand, one".