112111020011121 has 4 divisors (see below), whose sum is σ = 149481360014832. Its totient is φ = 74740680007412.

The previous prime is 112111020011117. The next prime is 112111020011129. The reversal of 112111020011121 is 121110020111211.

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 112111020011121 - 2² = 112111020011117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112111020011121.

It is not an unprimeable number, because it can be changed into a prime (112111020011129) 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, 18685170001851 + ... + 18685170001856.

It is an arithmetic number, because the mean of its divisors is an integer number (37370340003708).

Almost surely, 2^{112111020011121} is an apocalyptic number.

It is an amenable number.

112111020011121 is a deficient number, since it is larger than the sum of its proper divisors (37370340003711).

112111020011121 is an equidigital number, since it uses as much as digits as its factorization.

112111020011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37370340003710.

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

Adding to 112111020011121 its reverse (121110020111211), we get a palindrome (233221040122332).

The spelling of 112111020011121 in words is "one hundred twelve trillion, one hundred eleven billion, twenty million, eleven thousand, one hundred twenty-one".