201020000101 has 2 divisors, whose sum is σ = 201020000102. Its totient is φ = 201020000100.

The previous prime is 201020000059. The next prime is 201020000119. The reversal of 201020000101 is 101000020102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118291284225 + 82728715876 = 343935^2 + 287626^2 .

It is a cyclic number.

It is not a de Polignac number, because 201020000101 - 2²⁵ = 200986445669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020000201) 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 as a sum of consecutive naturals, namely, 100510000050 + 100510000051.

It is an arithmetic number, because the mean of its divisors is an integer number (100510000051).

Almost surely, 2^201020000101 is an apocalyptic number.

It is an amenable number.

201020000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020000101 is an equidigital number, since it uses as much as digits as its factorization.

201020000101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 201020000101 its reverse (101000020102), we get a palindrome (302020020203).

The spelling of 201020000101 in words is "two hundred one billion, twenty million, one hundred one", and thus it is an aban number.