1103210203 has 4 divisors (see below), whose sum is σ = 1151175888. Its totient is φ = 1055244520.

The previous prime is 1103210177. The next prime is 1103210219. The reversal of 1103210203 is 3020123011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3020123011 = 6971 ⋅433241.

It is a cyclic number.

It is not a de Polignac number, because 1103210203 - 2⁹ = 1103209691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103210233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23982808 + ... + 23982853.

It is an arithmetic number, because the mean of its divisors is an integer number (287793972).

Almost surely, 2^1103210203 is an apocalyptic number.

1103210203 is a deficient number, since it is larger than the sum of its proper divisors (47965685).

1103210203 is an equidigital number, since it uses as much as digits as its factorization.

1103210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47965684.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1103210203 is about 33214.6082770819. The cubic root of 1103210203 is about 1033.2833306941.

Adding to 1103210203 its reverse (3020123011), we get a palindrome (4123333214).

The spelling of 1103210203 in words is "one billion, one hundred three million, two hundred ten thousand, two hundred three".