112012021 has 8 divisors (see below), whose sum is σ = 126137088. Its totient is φ = 98544000.

The previous prime is 112012009. The next prime is 112012037. The reversal of 112012021 is 120210211.

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 112012021 - 2²¹ = 109914869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112011989 and 112012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012051) 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, 163900 + ... + 164581.

It is an arithmetic number, because the mean of its divisors is an integer number (15767136).

Almost surely, 2^112012021 is an apocalyptic number.

112012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012021 is a deficient number, since it is larger than the sum of its proper divisors (14125067).

112012021 is a wasteful number, since it uses less digits than its factorization.

112012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328523.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 112012021 is about 10583.5731678862. The cubic root of 112012021 is about 482.0456976468.

Adding to 112012021 its reverse (120210211), we get a palindrome (232222232).

The spelling of 112012021 in words is "one hundred twelve million, twelve thousand, twenty-one".