1113322212173 has 2 divisors, whose sum is σ = 1113322212174. Its totient is φ = 1113322212172.

The previous prime is 1113322212151. The next prime is 1113322212229. The reversal of 1113322212173 is 3712122233111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013189204329 + 100133007844 = 1006573^2 + 316438^2 .

It is an emirp because it is prime and its reverse (3712122233111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113322212173 - 2²⁸ = 1113053776717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113322212073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556661106086 + 556661106087.

It is an arithmetic number, because the mean of its divisors is an integer number (556661106087).

Almost surely, 2^{1113322212173} is an apocalyptic number.

It is an amenable number.

1113322212173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113322212173 is an equidigital number, since it uses as much as digits as its factorization.

1113322212173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

Adding to 1113322212173 its reverse (3712122233111), we get a palindrome (4825444445284).

The spelling of 1113322212173 in words is "one trillion, one hundred thirteen billion, three hundred twenty-two million, two hundred twelve thousand, one hundred seventy-three".