1112110012121 has 4 divisors (see below), whose sum is σ = 1114338690000. Its totient is φ = 1109881334244.

The previous prime is 1112110012063. The next prime is 1112110012141. The reversal of 1112110012121 is 1212100112111.

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 1112110012121 - 2¹⁸ = 1112109749977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112110012096 and 1112110012105.

It is not an unprimeable number, because it can be changed into a prime (1112110012141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114338191 + ... + 1114339188.

It is an arithmetic number, because the mean of its divisors is an integer number (278584672500).

Almost surely, 2^{1112110012121} is an apocalyptic number.

It is an amenable number.

1112110012121 is a deficient number, since it is larger than the sum of its proper divisors (2228677879).

1112110012121 is an equidigital number, since it uses as much as digits as its factorization.

1112110012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228677878.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1112110012121 its reverse (1212100112111), we get a palindrome (2324210124232).

The spelling of 1112110012121 in words is "one trillion, one hundred twelve billion, one hundred ten million, twelve thousand, one hundred twenty-one".