1112112332221 has 8 divisors (see below), whose sum is σ = 1213493241024. Its totient is φ = 1010778054720.

The previous prime is 1112112332131. The next prime is 1112112332267. The reversal of 1112112332221 is 1222332112111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1112112332221 - 2⁹ = 1112112331709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112112332192 and 1112112332201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112112332281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11607945 + ... + 11703358.

It is an arithmetic number, because the mean of its divisors is an integer number (151686655128).

Almost surely, 2^{1112112332221} is an apocalyptic number.

1112112332221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112112332221 is a deficient number, since it is larger than the sum of its proper divisors (101380908803).

1112112332221 is a wasteful number, since it uses less digits than its factorization.

1112112332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23315651.

The product of its digits is 288, while the sum is 22.

Adding to 1112112332221 its reverse (1222332112111), we get a palindrome (2334444444332).

The spelling of 1112112332221 in words is "one trillion, one hundred twelve billion, one hundred twelve million, three hundred thirty-two thousand, two hundred twenty-one".