112122110121 has 24 divisors (see below), whose sum is σ = 173922075360. Its totient is φ = 64063000512.

The previous prime is 112122110101. The next prime is 112122110123. The reversal of 112122110121 is 121011221211.

It is a happy number.

It is not a de Polignac number, because 112122110121 - 2⁶ = 112122110057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112122110121.

It is not an unprimeable number, because it can be changed into a prime (112122110123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1572870 + ... + 1642608.

It is an arithmetic number, because the mean of its divisors is an integer number (7246753140).

Almost surely, 2^112122110121 is an apocalyptic number.

It is an amenable number.

112122110121 is a deficient number, since it is larger than the sum of its proper divisors (61799965239).

112122110121 is a wasteful number, since it uses less digits than its factorization.

112122110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80693 (or 80686 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112122110121 its reverse (121011221211), we get a palindrome (233133331332).

The spelling of 112122110121 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".