112021521522 has 64 divisors (see below), whose sum is σ = 237967994880. Its totient is φ = 35033712896.

The previous prime is 112021521517. The next prime is 112021521541. The reversal of 112021521522 is 225125120211.

It is a junction number, because it is equal to n+sod(n) for n = 112021521492 and 112021521501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60649603 + ... + 60651449.

It is an arithmetic number, because the mean of its divisors is an integer number (3718249920).

Almost surely, 2^112021521522 is an apocalyptic number.

112021521522 is an abundant number, since it is smaller than the sum of its proper divisors (125946473358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112021521522 is a wasteful number, since it uses less digits than its factorization.

112021521522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 112021521522 its reverse (225125120211), we get a palindrome (337146641733).

The spelling of 112021521522 in words is "one hundred twelve billion, twenty-one million, five hundred twenty-one thousand, five hundred twenty-two".