1112112110121 has 4 divisors (see below), whose sum is σ = 1482816146832. Its totient is φ = 741408073412.

The previous prime is 1112112110101. The next prime is 1112112110129. The reversal of 1112112110121 is 1210112112111.

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.

It is a cyclic number.

It is not a de Polignac number, because 1112112110121 - 2⁷ = 1112112109993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112112110121.

It is not an unprimeable number, because it can be changed into a prime (1112112110129) 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, 185352018351 + ... + 185352018356.

It is an arithmetic number, because the mean of its divisors is an integer number (370704036708).

Almost surely, 2^{1112112110121} is an apocalyptic number.

It is an amenable number.

1112112110121 is a deficient number, since it is larger than the sum of its proper divisors (370704036711).

1112112110121 is an equidigital number, since it uses as much as digits as its factorization.

1112112110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370704036710.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1112112110121 its reverse (1210112112111), we get a palindrome (2322224222232).

The spelling of 1112112110121 in words is "one trillion, one hundred twelve billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-one".