11203126211 has 2 divisors, whose sum is σ = 11203126212. Its totient is φ = 11203126210.

The previous prime is 11203126093. The next prime is 11203126279. The reversal of 11203126211 is 11262130211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11203126211 - 2¹⁰ = 11203125187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11203129211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601563105 + 5601563106.

It is an arithmetic number, because the mean of its divisors is an integer number (5601563106).

Almost surely, 2^11203126211 is an apocalyptic number.

11203126211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203126211 is an equidigital number, since it uses as much as digits as its factorization.

11203126211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11203126211 its reverse (11262130211), we get a palindrome (22465256422).

The spelling of 11203126211 in words is "eleven billion, two hundred three million, one hundred twenty-six thousand, two hundred eleven".