201010210102073 has 2 divisors, whose sum is σ = 201010210102074. Its totient is φ = 201010210102072.

The previous prime is 201010210102067. The next prime is 201010210102103. The reversal of 201010210102073 is 370201012010102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158206008532009 + 42804201570064 = 12577997^2 + 6542492^2 .

It is a cyclic number.

It is not a de Polignac number, because 201010210102073 - 2⁴ = 201010210102057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201010210102673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505105051036 + 100505105051037.

It is an arithmetic number, because the mean of its divisors is an integer number (100505105051037).

Almost surely, 2^{201010210102073} is an apocalyptic number.

It is an amenable number.

201010210102073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010210102073 is an equidigital number, since it uses as much as digits as its factorization.

201010210102073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 201010210102073 its reverse (370201012010102), we get a palindrome (571211222112175).

The spelling of 201010210102073 in words is "two hundred one trillion, ten billion, two hundred ten million, one hundred two thousand, seventy-three".