11112012203 has 2 divisors, whose sum is σ = 11112012204. Its totient is φ = 11112012202.

The previous prime is 11112012199. The next prime is 11112012221. The reversal of 11112012203 is 30221021111.

It is a weak prime.

It is an emirp because it is prime and its reverse (30221021111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11112012203 - 2² = 11112012199 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112012283) 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 as a sum of consecutive naturals, namely, 5556006101 + 5556006102.

It is an arithmetic number, because the mean of its divisors is an integer number (5556006102).

Almost surely, 2^11112012203 is an apocalyptic number.

11112012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112012203 is an equidigital number, since it uses as much as digits as its factorization.

11112012203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11112012203 its reverse (30221021111), we get a palindrome (41333033314).

The spelling of 11112012203 in words is "eleven billion, one hundred twelve million, twelve thousand, two hundred three".