201020022222101 has 2 divisors, whose sum is σ = 201020022222102. Its totient is φ = 201020022222100.

The previous prime is 201020022222037. The next prime is 201020022222113. The reversal of 201020022222101 is 101222220020102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200794539699601 + 225482522500 = 14170199^2 + 474850^2 .

It is a cyclic number.

It is not a de Polignac number, because 201020022222101 - 2⁶ = 201020022222037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201020022222101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020022222601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510011111050 + 100510011111051.

It is an arithmetic number, because the mean of its divisors is an integer number (100510011111051).

Almost surely, 2^{201020022222101} is an apocalyptic number.

It is an amenable number.

201020022222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020022222101 is an equidigital number, since it uses as much as digits as its factorization.

201020022222101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201020022222101 its reverse (101222220020102), we get a palindrome (302242242242203).

The spelling of 201020022222101 in words is "two hundred one trillion, twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred one".