112021522 has 4 divisors (see below), whose sum is σ = 168032286. Its totient is φ = 56010760.

The previous prime is 112021513. The next prime is 112021529. The reversal of 112021522 is 225120211.

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 only one way, i.e., 101787921 + 10233601 = 10089^2 + 3199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112021496 and 112021505.

It is not an unprimeable number, because it can be changed into a prime (112021529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28005379 + ... + 28005382.

Almost surely, 2^112021522 is an apocalyptic number.

112021522 is a deficient number, since it is larger than the sum of its proper divisors (56010764).

112021522 is an equidigital number, since it uses as much as digits as its factorization.

112021522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56010763.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 112021522 is about 10584.0220143384. The cubic root of 112021522 is about 482.0593265015.

Adding to 112021522 its reverse (225120211), we get a palindrome (337141733).

The spelling of 112021522 in words is "one hundred twelve million, twenty-one thousand, five hundred twenty-two".