11331131210111 has 2 divisors, whose sum is σ = 11331131210112. Its totient is φ = 11331131210110.

The previous prime is 11331131210107. The next prime is 11331131210219. The reversal of 11331131210111 is 11101213113311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11331131210111 - 2² = 11331131210107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331131210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665565605055 + 5665565605056.

It is an arithmetic number, because the mean of its divisors is an integer number (5665565605056).

Almost surely, 2^{11331131210111} is an apocalyptic number.

11331131210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331131210111 is an equidigital number, since it uses as much as digits as its factorization.

11331131210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 11331131210111 its reverse (11101213113311), we get a palindrome (22432344323422).

The spelling of 11331131210111 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred ten thousand, one hundred eleven".