11000000203 has 2 divisors, whose sum is σ = 11000000204. Its totient is φ = 11000000202.

The previous prime is 11000000189. The next prime is 11000000213. The reversal of 11000000203 is 30200000011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11000000203 - 2¹³ = 10999992011 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000000213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500000101 + 5500000102.

It is an arithmetic number, because the mean of its divisors is an integer number (5500000102).

Almost surely, 2^11000000203 is an apocalyptic number.

11000000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000000203 is an equidigital number, since it uses as much as digits as its factorization.

11000000203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 11000000203 its reverse (30200000011), we get a palindrome (41200000214).

The spelling of 11000000203 in words is "eleven billion, two hundred three", and thus it is an aban number.