1121112111122 has 8 divisors (see below), whose sum is σ = 1681682426316. Its totient is φ = 560551302352.

The previous prime is 1121112111121. The next prime is 1121112111137. The reversal of 1121112111122 is 2211112111211.

It can be written as a sum of positive squares in 2 ways, for example, as 1120360857841 + 751253281 = 1058471^2 + 27409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1121112111122.

It is not an unprimeable number, because it can be changed into a prime (1121112111121) 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, 2074073 + ... + 2558124.

Almost surely, 2^{1121112111122} is an apocalyptic number.

1121112111122 is a deficient number, since it is larger than the sum of its proper divisors (560570315194).

1121112111122 is a wasteful number, since it uses less digits than its factorization.

1121112111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753212.

The product of its digits is 16, while the sum is 17.

Adding to 1121112111122 its reverse (2211112111211), we get a palindrome (3332224222333).

The spelling of 1121112111122 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-two".