12113221032311 has 16 divisors (see below), whose sum is σ = 14572610357760. Its totient is φ = 9836087580000.

The previous prime is 12113221032307. The next prime is 12113221032317. The reversal of 12113221032311 is 11323012231121.

It is a happy number.

It is not a de Polignac number, because 12113221032311 - 2² = 12113221032307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113221032317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5358950 + ... + 7276316.

It is an arithmetic number, because the mean of its divisors is an integer number (910788147360).

Almost surely, 2^{12113221032311} is an apocalyptic number.

12113221032311 is a deficient number, since it is larger than the sum of its proper divisors (2459389325449).

12113221032311 is a wasteful number, since it uses less digits than its factorization.

12113221032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964894.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12113221032311 its reverse (11323012231121), we get a palindrome (23436233263432).

The spelling of 12113221032311 in words is "twelve trillion, one hundred thirteen billion, two hundred twenty-one million, thirty-two thousand, three hundred eleven".