200101222221101 has 4 divisors (see below), whose sum is σ = 211871882351772. Its totient is φ = 188330562090432.

The previous prime is 200101222221049. The next prime is 200101222221179. The reversal of 200101222221101 is 101122222101002.

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 141771267087076 + 58329955134025 = 11906774^2 + 7637405^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101222221101 - 2²² = 200101218026797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 11770660130653 = 200101222221101 / (2 + 0 + 0 + 1 + 0 + 1 + 2 + 2 + 2 + 2 + 2 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200101222221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101222281101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5885330065310 + ... + 5885330065343.

It is an arithmetic number, because the mean of its divisors is an integer number (52967970587943).

Almost surely, 2^{200101222221101} is an apocalyptic number.

It is an amenable number.

200101222221101 is a deficient number, since it is larger than the sum of its proper divisors (11770660130671).

200101222221101 is a wasteful number, since it uses less digits than its factorization.

200101222221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770660130670.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200101222221101 its reverse (101122222101002), we get a palindrome (301223444322103).

The spelling of 200101222221101 in words is "two hundred trillion, one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".