12131030322111 has 4 divisors (see below), whose sum is σ = 16174707096152. Its totient is φ = 8087353548072.

The previous prime is 12131030322107. The next prime is 12131030322119. The reversal of 12131030322111 is 11122303013121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12131030322111 - 2² = 12131030322107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131030322119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021838387016 + ... + 2021838387021.

It is an arithmetic number, because the mean of its divisors is an integer number (4043676774038).

Almost surely, 2^{12131030322111} is an apocalyptic number.

12131030322111 is a deficient number, since it is larger than the sum of its proper divisors (4043676774041).

12131030322111 is an equidigital number, since it uses as much as digits as its factorization.

12131030322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043676774040.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12131030322111 its reverse (11122303013121), we get a palindrome (23253333335232).

The spelling of 12131030322111 in words is "twelve trillion, one hundred thirty-one billion, thirty million, three hundred twenty-two thousand, one hundred eleven".