112110122021 has 4 divisors (see below), whose sum is σ = 112110836844. Its totient is φ = 112109407200.

The previous prime is 112110122009. The next prime is 112110122093. The reversal of 112110122021 is 120221011211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7091997796 + 105018124225 = 84214^2 + 324065^2 .

It is a cyclic number.

It is not a de Polignac number, because 112110122021 - 2¹⁸ = 112109859877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112110121987 and 112110122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110121021) 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, 8840 + ... + 473601.

It is an arithmetic number, because the mean of its divisors is an integer number (28027709211).

Almost surely, 2^112110122021 is an apocalyptic number.

It is an amenable number.

112110122021 is a deficient number, since it is larger than the sum of its proper divisors (714823).

112110122021 is an equidigital number, since it uses as much as digits as its factorization.

112110122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714822.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112110122021 its reverse (120221011211), we get a palindrome (232331133232).

The spelling of 112110122021 in words is "one hundred twelve billion, one hundred ten million, one hundred twenty-two thousand, twenty-one".