1101230203 has 2 divisors, whose sum is σ = 1101230204. Its totient is φ = 1101230202.

The previous prime is 1101230191. The next prime is 1101230209. The reversal of 1101230203 is 3020321011.

It is a strong prime.

It is an emirp because it is prime and its reverse (3020321011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101230203 - 2⁹ = 1101229691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101230209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550615101 + 550615102.

It is an arithmetic number, because the mean of its divisors is an integer number (550615102).

Almost surely, 2^1101230203 is an apocalyptic number.

1101230203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101230203 is an equidigital number, since it uses as much as digits as its factorization.

1101230203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1101230203 is about 33184.7887291753. The cubic root of 1101230203 is about 1032.6647945409.

Adding to 1101230203 its reverse (3020321011), we get a palindrome (4121551214).

The spelling of 1101230203 in words is "one billion, one hundred one million, two hundred thirty thousand, two hundred three".