112111101020121 has 16 divisors (see below), whose sum is σ = 178263614045184. Its totient is φ = 61278117327504.

The previous prime is 112111101020077. The next prime is 112111101020179. The reversal of 112111101020121 is 121020101111211.

It is not a de Polignac number, because 112111101020121 - 2¹⁹ = 112111100495833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112111101020121.

It is not an unprimeable number, because it can be changed into a prime (112111101020621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116057039911 + ... + 116057040876.

It is an arithmetic number, because the mean of its divisors is an integer number (11141475877824).

Almost surely, 2^{112111101020121} is an apocalyptic number.

It is an amenable number.

112111101020121 is a deficient number, since it is larger than the sum of its proper divisors (66152513025063).

112111101020121 is a wasteful number, since it uses less digits than its factorization.

112111101020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232114080820.

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

Adding to 112111101020121 its reverse (121020101111211), we get a palindrome (233131202131332).

The spelling of 112111101020121 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred one million, twenty thousand, one hundred twenty-one".