222201020201 has 8 divisors (see below), whose sum is σ = 224622654984. Its totient is φ = 219783731200.

The previous prime is 222201020191. The next prime is 222201020227. The reversal of 222201020201 is 102020102222.

It can be written as a sum of positive squares in 4 ways, for example, as 148962025 + 222052058176 = 12205^2 + 471224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222201020201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222201020281) 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 7 ways as a sum of consecutive naturals, for example, 983576 + ... + 1188201.

It is an arithmetic number, because the mean of its divisors is an integer number (28077831873).

Almost surely, 2^222201020201 is an apocalyptic number.

It is an amenable number.

222201020201 is a deficient number, since it is larger than the sum of its proper divisors (2421634783).

222201020201 is a wasteful number, since it uses less digits than its factorization.

222201020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172891.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222201020201 its reverse (102020102222), we get a palindrome (324221122423).

The spelling of 222201020201 in words is "two hundred twenty-two billion, two hundred one million, twenty thousand, two hundred one".