11320111011012 has 12 divisors (see below), whose sum is σ = 26413592359056. Its totient is φ = 3773370337000.

The previous prime is 11320111010993. The next prime is 11320111011019. The reversal of 11320111011012 is 21011011102311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11320111010982 and 11320111011000.

It is not an unprimeable number, because it can be changed into a prime (11320111011019) 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 in 3 ways as a sum of consecutive naturals, for example, 471671292114 + ... + 471671292137.

It is an arithmetic number, because the mean of its divisors is an integer number (2201132696588).

Almost surely, 2^{11320111011012} is an apocalyptic number.

11320111011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11320111011012 is an abundant number, since it is smaller than the sum of its proper divisors (15093481348044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11320111011012 is a wasteful number, since it uses less digits than its factorization.

11320111011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943342584258 (or 943342584256 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11320111011012 its reverse (21011011102311), we get a palindrome (32331122113323).

The spelling of 11320111011012 in words is "eleven trillion, three hundred twenty billion, one hundred eleven million, eleven thousand, twelve".