11001120203 has 2 divisors, whose sum is σ = 11001120204. Its totient is φ = 11001120202.

The previous prime is 11001120199. The next prime is 11001120241. The reversal of 11001120203 is 30202110011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11001120203 - 2² = 11001120199 is a prime.

It is a super-2 number, since 2×11001120203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11001120253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500560101 + 5500560102.

It is an arithmetic number, because the mean of its divisors is an integer number (5500560102).

Almost surely, 2^11001120203 is an apocalyptic number.

11001120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001120203 is an equidigital number, since it uses as much as digits as its factorization.

11001120203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11001120203 its reverse (30202110011), we get a palindrome (41203230214).

The spelling of 11001120203 in words is "eleven billion, one million, one hundred twenty thousand, two hundred three".