1112003012122 has 4 divisors (see below), whose sum is σ = 1668004518186. Its totient is φ = 556001506060.

The previous prime is 1112003012119. The next prime is 1112003012123. The reversal of 1112003012122 is 2212103002111.

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

It can be written as a sum of positive squares in only one way, i.e., 1060341813441 + 51661198681 = 1029729^2 + 227291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112003012096 and 1112003012105.

It is not an unprimeable number, because it can be changed into a prime (1112003012123) 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 as a sum of consecutive naturals, namely, 278000753029 + ... + 278000753032.

Almost surely, 2^{1112003012122} is an apocalyptic number.

1112003012122 is a deficient number, since it is larger than the sum of its proper divisors (556001506064).

1112003012122 is an equidigital number, since it uses as much as digits as its factorization.

1112003012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556001506063.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1112003012122 its reverse (2212103002111), we get a palindrome (3324106014233).

The spelling of 1112003012122 in words is "one trillion, one hundred twelve billion, three million, twelve thousand, one hundred twenty-two".