1112332221 has 192 divisors, whose sum is σ = 2294562816. Its totient is φ = 500774400.

The previous prime is 1112332217. The next prime is 1112332229. The reversal of 1112332221 is 1222332111.

1112332221 is a `hidden beast` number, since 1 + 112 + 332 + 221 = 666.

It is not a de Polignac number, because 1112332221 - 2² = 1112332217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112332194 and 1112332203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112332229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15666616 + ... + 15666686.

It is an arithmetic number, because the mean of its divisors is an integer number (11950848).

Almost surely, 2^1112332221 is an apocalyptic number.

1112332221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112332221 is an abundant number, since it is smaller than the sum of its proper divisors (1182230595).

1112332221 is a wasteful number, since it uses less digits than its factorization.

1112332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 189 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1112332221 is about 33351.6449519360. The cubic root of 1112332221 is about 1036.1234569734.

Adding to 1112332221 its reverse (1222332111), we get a palindrome (2334664332).

It can be divided in two parts, 1112 and 332221, that added together give a palindrome (333333).

The spelling of 1112332221 in words is "one billion, one hundred twelve million, three hundred thirty-two thousand, two hundred twenty-one".