1112122443013 has 4 divisors (see below), whose sum is σ = 1133105885388. Its totient is φ = 1091139000640.

The previous prime is 1112122442993. The next prime is 1112122443023. The reversal of 1112122443013 is 3103442212111.

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 566463959044 + 545658483969 = 752638^2 + 738687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112122443013 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 (1112122443023) 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, 10491721108 + ... + 10491721213.

It is an arithmetic number, because the mean of its divisors is an integer number (283276471347).

Almost surely, 2^{1112122443013} is an apocalyptic number.

It is an amenable number.

1112122443013 is a deficient number, since it is larger than the sum of its proper divisors (20983442375).

1112122443013 is an equidigital number, since it uses as much as digits as its factorization.

1112122443013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20983442374.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1112122443013 its reverse (3103442212111), we get a palindrome (4215564655124).

The spelling of 1112122443013 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, four hundred forty-three thousand, thirteen".