11203404211 has 2 divisors, whose sum is σ = 11203404212. Its totient is φ = 11203404210.

The previous prime is 11203404203. The next prime is 11203404269. The reversal of 11203404211 is 11240430211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11203404211 - 2³ = 11203404203 is a prime.

It is a super-3 number, since 3×11203404211³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11203404271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601702105 + 5601702106.

It is an arithmetic number, because the mean of its divisors is an integer number (5601702106).

Almost surely, 2^11203404211 is an apocalyptic number.

11203404211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203404211 is an equidigital number, since it uses as much as digits as its factorization.

11203404211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11203404211 its reverse (11240430211), we get a palindrome (22443834422).

The spelling of 11203404211 in words is "eleven billion, two hundred three million, four hundred four thousand, two hundred eleven".