1122011221113 has 6 divisors (see below), whose sum is σ = 1620682874954. Its totient is φ = 748007480736.

The previous prime is 1122011221061. The next prime is 1122011221141. The reversal of 1122011221113 is 3111221102211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 764440708329 + 357570512784 = 874323^2 + 597972^2 .

It is not a de Polignac number, because 1122011221113 - 2⁶ = 1122011221049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122011221183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62333956720 + ... + 62333956737.

Almost surely, 2^{1122011221113} is an apocalyptic number.

It is an amenable number.

1122011221113 is a deficient number, since it is larger than the sum of its proper divisors (498671653841).

1122011221113 is a wasteful number, since it uses less digits than its factorization.

1122011221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124667913463 (or 124667913460 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1122011221113 its reverse (3111221102211), we get a palindrome (4233232323324).

The spelling of 1122011221113 in words is "one trillion, one hundred twenty-two billion, eleven million, two hundred twenty-one thousand, one hundred thirteen".