201120103 has 2 divisors, whose sum is σ = 201120104. Its totient is φ = 201120102.

The previous prime is 201120077. The next prime is 201120109. The reversal of 201120103 is 301021102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201120103 - 2⁹ = 201119591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201120103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201120109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560051 + 100560052.

It is an arithmetic number, because the mean of its divisors is an integer number (100560052).

Almost surely, 2^201120103 is an apocalyptic number.

201120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120103 is an equidigital number, since it uses as much as digits as its factorization.

201120103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 201120103 is about 14181.6819524343. The cubic root of 201120103 is about 585.8932495502.

Adding to 201120103 its reverse (301021102), we get a palindrome (502141205).

Subtracting 201120103 from its reverse (301021102), we obtain a palindrome (99900999).

The spelling of 201120103 in words is "two hundred one million, one hundred twenty thousand, one hundred three".