11203131120211 has 2 divisors, whose sum is σ = 11203131120212. Its totient is φ = 11203131120210.

The previous prime is 11203131120187. The next prime is 11203131120227. The reversal of 11203131120211 is 11202113130211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11203131120211 - 2²⁹ = 11202594249299 is a prime.

It is not a weakly prime, because it can be changed into another prime (11203131121211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601565560105 + 5601565560106.

It is an arithmetic number, because the mean of its divisors is an integer number (5601565560106).

Almost surely, 2^{11203131120211} is an apocalyptic number.

11203131120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203131120211 is an equidigital number, since it uses as much as digits as its factorization.

11203131120211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11203131120211 its reverse (11202113130211), we get a palindrome (22405244250422).

The spelling of 11203131120211 in words is "eleven trillion, two hundred three billion, one hundred thirty-one million, one hundred twenty thousand, two hundred eleven".