200202221022101 has 4 divisors (see below), whose sum is σ = 200393071567500. Its totient is φ = 200011370476704.

The previous prime is 200202221022071. The next prime is 200202221022103. The reversal of 200202221022101 is 101220122202002.

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 106939279911025 + 93262941111076 = 10341145^2 + 9657274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200202221022101 is a prime.

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 200202221022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200202221022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95425271126 + ... + 95425273223.

It is an arithmetic number, because the mean of its divisors is an integer number (50098267891875).

Almost surely, 2^{200202221022101} is an apocalyptic number.

It is an amenable number.

200202221022101 is a deficient number, since it is larger than the sum of its proper divisors (190850545399).

200202221022101 is a wasteful number, since it uses less digits than its factorization.

200202221022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190850545398.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200202221022101 its reverse (101220122202002), we get a palindrome (301422343224103).

The spelling of 200202221022101 in words is "two hundred trillion, two hundred two billion, two hundred twenty-one million, twenty-two thousand, one hundred one".