11211232103111 has 2 divisors, whose sum is σ = 11211232103112. Its totient is φ = 11211232103110.

The previous prime is 11211232103063. The next prime is 11211232103143. The reversal of 11211232103111 is 11130123211211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11211232103111 - 2¹⁰ = 11211232102087 is a prime.

It is a super-2 number, since 2×11211232103111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211232103191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605616051555 + 5605616051556.

It is an arithmetic number, because the mean of its divisors is an integer number (5605616051556).

Almost surely, 2^{11211232103111} is an apocalyptic number.

11211232103111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211232103111 is an equidigital number, since it uses as much as digits as its factorization.

11211232103111 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 20.

Adding to 11211232103111 its reverse (11130123211211), we get a palindrome (22341355314322).

The spelling of 11211232103111 in words is "eleven trillion, two hundred eleven billion, two hundred thirty-two million, one hundred three thousand, one hundred eleven".