112022021 has 4 divisors (see below), whose sum is σ = 112120332. Its totient is φ = 111923712.

The previous prime is 112022017. The next prime is 112022033. The reversal of 112022021 is 120220211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59459521 + 52562500 = 7711^2 + 7250^2 .

It is a cyclic number.

It is not a de Polignac number, because 112022021 - 2² = 112022017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021993 and 112022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112022011) 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, 47426 + ... + 49731.

It is an arithmetic number, because the mean of its divisors is an integer number (28030083).

Almost surely, 2^112022021 is an apocalyptic number.

It is an amenable number.

112022021 is a deficient number, since it is larger than the sum of its proper divisors (98311).

112022021 is an equidigital number, since it uses as much as digits as its factorization.

112022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98310.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112022021 is about 10584.0455875813. The cubic root of 112022021 is about 482.0600422784.

Adding to 112022021 its reverse (120220211), we get a palindrome (232242232).

The spelling of 112022021 in words is "one hundred twelve million, twenty-two thousand, twenty-one".