112021021 has 8 divisors (see below), whose sum is σ = 128104704. Its totient is φ = 95957520.

The previous prime is 112021003. The next prime is 112021027. The reversal of 112021021 is 120120211.

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 112021021 - 2⁷ = 112020893 is a prime.

112021021 is a modest number, since divided by 21021 gives 112 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 112020989 and 112021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021027) 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, 9756 + ... + 17866.

It is an arithmetic number, because the mean of its divisors is an integer number (16013088).

Almost surely, 2^112021021 is an apocalyptic number.

It is an amenable number.

112021021 is a deficient number, since it is larger than the sum of its proper divisors (16083683).

112021021 is an equidigital number, since it uses as much as digits as its factorization.

112021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

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

The square root of 112021021 is about 10583.9983465607. The cubic root of 112021021 is about 482.0586078536.

Adding to 112021021 its reverse (120120211), we get a palindrome (232141232).

The spelling of 112021021 in words is "one hundred twelve million, twenty-one thousand, twenty-one".