112120021105 has 8 divisors (see below), whose sum is σ = 134551822464. Its totient is φ = 89690818800.

The previous prime is 112120021099. The next prime is 112120021127. The reversal of 112120021105 is 501120021211.

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

It is not a de Polignac number, because 112120021105 - 2⁵ = 112120021073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553561 + ... + 728470.

It is an arithmetic number, because the mean of its divisors is an integer number (16818977808).

Almost surely, 2^112120021105 is an apocalyptic number.

It is an amenable number.

112120021105 is a deficient number, since it is larger than the sum of its proper divisors (22431801359).

112120021105 is a wasteful number, since it uses less digits than its factorization.

112120021105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299527.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 112120021105 its reverse (501120021211), we get a palindrome (613240042316).

The spelling of 112120021105 in words is "one hundred twelve billion, one hundred twenty million, twenty-one thousand, one hundred five".