201103101103 has 4 divisors (see below), whose sum is σ = 201112225768. Its totient is φ = 201093976440.

The previous prime is 201103101061. The next prime is 201103101127. The reversal of 201103101103 is 301101301102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201103101103 - 2⁹ = 201103100591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201203101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529193 + ... + 4573378.

It is an arithmetic number, because the mean of its divisors is an integer number (50278056442).

Almost surely, 2^201103101103 is an apocalyptic number.

201103101103 is a deficient number, since it is larger than the sum of its proper divisors (9124665).

201103101103 is an equidigital number, since it uses as much as digits as its factorization.

201103101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9124664.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 201103101103 its reverse (301101301102), we get a palindrome (502204402205).

It can be divided in two parts, 20110 and 3101103, that added together give a palindrome (3121213).

The spelling of 201103101103 in words is "two hundred one billion, one hundred three million, one hundred one thousand, one hundred three".