1100113203 has 8 divisors (see below), whose sum is σ = 1676363008. Its totient is φ = 628636104.

The previous prime is 1100113169. The next prime is 1100113211. The reversal of 1100113203 is 3023110011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100113203 - 2¹³ = 1100105011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100113283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26193151 + ... + 26193192.

It is an arithmetic number, because the mean of its divisors is an integer number (209545376).

Almost surely, 2^1100113203 is an apocalyptic number.

1100113203 is a deficient number, since it is larger than the sum of its proper divisors (576249805).

1100113203 is an equidigital number, since it uses as much as digits as its factorization.

1100113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52386353.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1100113203 is about 33167.9544590860. The cubic root of 1100113203 is about 1032.3155255162.

Adding to 1100113203 its reverse (3023110011), we get a palindrome (4123223214).

The spelling of 1100113203 in words is "one billion, one hundred million, one hundred thirteen thousand, two hundred three".