1122131322013 has 4 divisors (see below), whose sum is σ = 1208449116028. Its totient is φ = 1035813528000.

The previous prime is 1122131322007. The next prime is 1122131322079. The reversal of 1122131322013 is 3102231312211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165964167769 + 956167154244 = 407387^2 + 977838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122131322013 - 2²⁹ = 1121594451101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122131323013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43158896988 + ... + 43158897013.

It is an arithmetic number, because the mean of its divisors is an integer number (302112279007).

Almost surely, 2^{1122131322013} is an apocalyptic number.

1122131322013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1122131322013 is a deficient number, since it is larger than the sum of its proper divisors (86317794015).

1122131322013 is an equidigital number, since it uses as much as digits as its factorization.

1122131322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86317794014.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1122131322013 its reverse (3102231312211), we get a palindrome (4224362634224).

The spelling of 1122131322013 in words is "one trillion, one hundred twenty-two billion, one hundred thirty-one million, three hundred twenty-two thousand, thirteen".