201010021193 has 2 divisors, whose sum is σ = 201010021194. Its totient is φ = 201010021192.

The previous prime is 201010021187. The next prime is 201010021217. The reversal of 201010021193 is 391120010102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184613730889 + 16396290304 = 429667^2 + 128048^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010021193 - 2¹² = 201010017097 is a prime.

It is not a weakly prime, because it can be changed into another prime (201010021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505010596 + 100505010597.

It is an arithmetic number, because the mean of its divisors is an integer number (100505010597).

Almost surely, 2^201010021193 is an apocalyptic number.

It is an amenable number.

201010021193 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010021193 is an equidigital number, since it uses as much as digits as its factorization.

201010021193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 201010021193 its reverse (391120010102), we get a palindrome (592130031295).

The spelling of 201010021193 in words is "two hundred one billion, ten million, twenty-one thousand, one hundred ninety-three".