1112122013 has 4 divisors (see below), whose sum is σ = 1160475168. Its totient is φ = 1063768860.

The previous prime is 1112122001. The next prime is 1112122019. The reversal of 1112122013 is 3102212111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3102212111 = 47 ⋅66004513.

It is not a de Polignac number, because 1112122013 - 2²⁴ = 1095344797 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 (1112122019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24176543 + ... + 24176588.

It is an arithmetic number, because the mean of its divisors is an integer number (290118792).

Almost surely, 2^1112122013 is an apocalyptic number.

It is an amenable number.

1112122013 is a deficient number, since it is larger than the sum of its proper divisors (48353155).

1112122013 is an equidigital number, since it uses as much as digits as its factorization.

1112122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48353154.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1112122013 is about 33348.4934142459. The cubic root of 1112122013 is about 1036.0581841598.

Adding to 1112122013 its reverse (3102212111), we get a palindrome (4214334124).

The spelling of 1112122013 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, thirteen".