200220202121201 has 4 divisors (see below), whose sum is σ = 200238650505972. Its totient is φ = 200201753736432.

The previous prime is 200220202121179. The next prime is 200220202121207. The reversal of 200220202121201 is 102121202022002.

It is a happy number.

200220202121201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 70570097161201 + 129650104960000 = 8400601^2 + 11386400^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220202121201 - 2¹⁴ = 200220202104817 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 200220202121201.

It is not an unprimeable number, because it can be changed into a prime (200220202121207) 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, 9224176106 + ... + 9224197811.

It is an arithmetic number, because the mean of its divisors is an integer number (50059662626493).

Almost surely, 2^{200220202121201} is an apocalyptic number.

It is an amenable number.

200220202121201 is a deficient number, since it is larger than the sum of its proper divisors (18448384771).

200220202121201 is a wasteful number, since it uses less digits than its factorization.

200220202121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18448384770.

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

Adding to 200220202121201 its reverse (102121202022002), we get a palindrome (302341404143203).

The spelling of 200220202121201 in words is "two hundred trillion, two hundred twenty billion, two hundred two million, one hundred twenty-one thousand, two hundred one".