200122202100001 has 4 divisors (see below), whose sum is σ = 200123007795604. Its totient is φ = 200121396404400.

The previous prime is 200122202099983. The next prime is 200122202100011. The reversal of 200122202100001 is 100001202221002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34309708787601 + 165812493312400 = 5857449^2 + 12876820^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122202100001 - 2¹⁹ = 200122201575713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122202100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402475110 + ... + 402972031.

It is an arithmetic number, because the mean of its divisors is an integer number (50030751948901).

Almost surely, 2^{200122202100001} is an apocalyptic number.

It is an amenable number.

200122202100001 is a deficient number, since it is larger than the sum of its proper divisors (805695603).

200122202100001 is an equidigital number, since it uses as much as digits as its factorization.

200122202100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805695602.

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

Adding to 200122202100001 its reverse (100001202221002), we get a palindrome (300123404321003).

The spelling of 200122202100001 in words is "two hundred trillion, one hundred twenty-two billion, two hundred two million, one hundred thousand, one".