112120221043 has 4 divisors (see below), whose sum is σ = 114727668088. Its totient is φ = 109512774000.

The previous prime is 112120221041. The next prime is 112120221061. The reversal of 112120221043 is 340122021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112120221043 - 2¹ = 112120221041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112120221043.

It is not an unprimeable number, because it can be changed into a prime (112120221041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303723458 + ... + 1303723543.

It is an arithmetic number, because the mean of its divisors is an integer number (28681917022).

Almost surely, 2^112120221043 is an apocalyptic number.

112120221043 is a deficient number, since it is larger than the sum of its proper divisors (2607447045).

112120221043 is an equidigital number, since it uses as much as digits as its factorization.

112120221043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607447044.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112120221043 its reverse (340122021211), we get a palindrome (452242242254).

The spelling of 112120221043 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty-one thousand, forty-three".