201101103 has 32 divisors (see below), whose sum is σ = 345592320. Its totient is φ = 113192640.

The previous prime is 201101093. The next prime is 201101137. The reversal of 201101103 is 301101102.

It is not a de Polignac number, because 201101103 - 2¹⁷ = 200970031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101183) 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 in 31 ways as a sum of consecutive naturals, for example, 4723 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (10799760).

Almost surely, 2^201101103 is an apocalyptic number.

201101103 is a deficient number, since it is larger than the sum of its proper divisors (144491217).

201101103 is a wasteful number, since it uses less digits than its factorization.

201101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15964 (or 15958 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 201101103 is about 14181.0120583829. The cubic root of 201101103 is about 585.8747990122.

Adding to 201101103 its reverse (301101102), we get a palindrome (502202205).

Subtracting 201101103 from its reverse (301101102), we obtain a palindrome (99999999).

The spelling of 201101103 in words is "two hundred one million, one hundred one thousand, one hundred three".