201001010100103 has 2 divisors, whose sum is σ = 201001010100104. Its totient is φ = 201001010100102.

The previous prime is 201001010100097. The next prime is 201001010100167. The reversal of 201001010100103 is 301001010100102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001010100103 is a prime.

It is a super-3 number, since 3×201001010100103³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 201001010100103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001010107103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500505050051 + 100500505050052.

It is an arithmetic number, because the mean of its divisors is an integer number (100500505050052).

Almost surely, 2^{201001010100103} is an apocalyptic number.

201001010100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001010100103 is an equidigital number, since it uses as much as digits as its factorization.

201001010100103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 201001010100103 its reverse (301001010100102), we get a palindrome (502002020200205).

Subtracting 201001010100103 from its reverse (301001010100102), we obtain a palindrome (99999999999999).

The spelling of 201001010100103 in words is "two hundred one trillion, one billion, ten million, one hundred thousand, one hundred three".