1201110103 has 2 divisors, whose sum is σ = 1201110104. Its totient is φ = 1201110102.

The previous prime is 1201110101. The next prime is 1201110121. The reversal of 1201110103 is 3010111021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201110103 - 2¹ = 1201110101 is a prime.

Together with 1201110101, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1201110103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201110101) 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, 600555051 + 600555052.

It is an arithmetic number, because the mean of its divisors is an integer number (600555052).

Almost surely, 2^1201110103 is an apocalyptic number.

1201110103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201110103 is an equidigital number, since it uses as much as digits as its factorization.

1201110103 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.

The square root of 1201110103 is about 34657.0354040850. The cubic root of 1201110103 is about 1062.9861516521.

Adding to 1201110103 its reverse (3010111021), we get a palindrome (4211221124).

The spelling of 1201110103 in words is "one billion, two hundred one million, one hundred ten thousand, one hundred three".