112111102120121 has 32 divisors (see below), whose sum is σ = 125150293610496. Its totient is φ = 99769017600000.

The previous prime is 112111102120117. The next prime is 112111102120151. The reversal of 112111102120121 is 121021201111211.

It is a cyclic number.

It is not a de Polignac number, because 112111102120121 - 2² = 112111102120117 is a prime.

It is a super-2 number, since 2×112111102120121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112111102120121.

It is not an unprimeable number, because it can be changed into a prime (112111102120151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13691201 + ... + 20289681.

It is an arithmetic number, because the mean of its divisors is an integer number (3910946675328).

Almost surely, 2^{112111102120121} is an apocalyptic number.

It is an amenable number.

112111102120121 is a deficient number, since it is larger than the sum of its proper divisors (13039191490375).

112111102120121 is a wasteful number, since it uses less digits than its factorization.

112111102120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598913.

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

Adding to 112111102120121 its reverse (121021201111211), we get a palindrome (233132303231332).

The spelling of 112111102120121 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred two million, one hundred twenty thousand, one hundred twenty-one".