112211023121 has 4 divisors (see below), whose sum is σ = 112219551972. Its totient is φ = 112202494272.

The previous prime is 112211023097. The next prime is 112211023139. The reversal of 112211023121 is 121320112211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86692558096 + 25518465025 = 294436^2 + 159745^2 .

It is a cyclic number.

It is not a de Polignac number, because 112211023121 - 2²² = 112206828817 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 112211023121.

It is not an unprimeable number, because it can be changed into a prime (112211023321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244660 + ... + 4271013.

It is an arithmetic number, because the mean of its divisors is an integer number (28054887993).

Almost surely, 2^112211023121 is an apocalyptic number.

It is an amenable number.

112211023121 is a deficient number, since it is larger than the sum of its proper divisors (8528851).

112211023121 is an equidigital number, since it uses as much as digits as its factorization.

112211023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528850.

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

Adding to 112211023121 its reverse (121320112211), we get a palindrome (233531135332).

The spelling of 112211023121 in words is "one hundred twelve billion, two hundred eleven million, twenty-three thousand, one hundred twenty-one".