1121113321012 has 12 divisors (see below), whose sum is σ = 1962513902020. Its totient is φ = 560395063296.

The previous prime is 1121113320949. The next prime is 1121113321061. The reversal of 1121113321012 is 2101233111211.

It can be written as a sum of positive squares in 2 ways, for example, as 566987916196 + 554125404816 = 752986^2 + 744396^2 .

It is a congruent number.

It is an unprimeable number.

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, 40383693 + ... + 40411444.

Almost surely, 2^{1121113321012} is an apocalyptic number.

It is an amenable number.

1121113321012 is a deficient number, since it is larger than the sum of its proper divisors (841400581008).

1121113321012 is a wasteful number, since it uses less digits than its factorization.

1121113321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80798610 (or 80798608 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1121113321012 its reverse (2101233111211), we get a palindrome (3222346432223).

The spelling of 1121113321012 in words is "one trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred twenty-one thousand, twelve".