112021122121 has 8 divisors (see below), whose sum is σ = 113283403200. Its totient is φ = 110761844400.

The previous prime is 112021122079. The next prime is 112021122139. The reversal of 112021122121 is 121221120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112021122121 - 2¹¹ = 112021120073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021122095 and 112021122104.

It is not an unprimeable number, because it can be changed into a prime (112021122151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675781 + ... + 825058.

It is an arithmetic number, because the mean of its divisors is an integer number (14160425400).

Almost surely, 2^112021122121 is an apocalyptic number.

It is an amenable number.

112021122121 is a deficient number, since it is larger than the sum of its proper divisors (1262281079).

112021122121 is a wasteful number, since it uses less digits than its factorization.

112021122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501679.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112021122121 its reverse (121221120211), we get a palindrome (233242242332).

The spelling of 112021122121 in words is "one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, one hundred twenty-one".