1112016221 has 8 divisors (see below), whose sum is σ = 1148277504. Its totient is φ = 1075779360.

The previous prime is 1112016203. The next prime is 1112016229. The reversal of 1112016221 is 1226102111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112016221 - 2²² = 1107821917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112016221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112016229) 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 in 7 ways as a sum of consecutive naturals, for example, 151001 + ... + 158193.

It is an arithmetic number, because the mean of its divisors is an integer number (143534688).

Almost surely, 2^1112016221 is an apocalyptic number.

It is an amenable number.

1112016221 is a deficient number, since it is larger than the sum of its proper divisors (36261283).

1112016221 is an equidigital number, since it uses as much as digits as its factorization.

1112016221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1112016221 is about 33346.9072179115. The cubic root of 1112016221 is about 1036.0253310071.

Adding to 1112016221 its reverse (1226102111), we get a palindrome (2338118332).

The spelling of 1112016221 in words is "one billion, one hundred twelve million, sixteen thousand, two hundred twenty-one".