112112020021 has 8 divisors (see below), whose sum is σ = 112343680064. Its totient is φ = 111880427040.

The previous prime is 112112020001. The next prime is 112112020043. The reversal of 112112020021 is 120020211211.

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 112112020021 - 2¹¹ = 112112017973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112019983 and 112112020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112020001) 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, 4635841 + ... + 4659961.

It is an arithmetic number, because the mean of its divisors is an integer number (14042960008).

Almost surely, 2^112112020021 is an apocalyptic number.

It is an amenable number.

112112020021 is a deficient number, since it is larger than the sum of its proper divisors (231660043).

112112020021 is an equidigital number, since it uses as much as digits as its factorization.

112112020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33531.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112112020021 its reverse (120020211211), we get a palindrome (232132231232).

The spelling of 112112020021 in words is "one hundred twelve billion, one hundred twelve million, twenty thousand, twenty-one".