112121100120233 has 4 divisors (see below), whose sum is σ = 112139672446980. Its totient is φ = 112102527793488.

The previous prime is 112121100120221. The next prime is 112121100120241. The reversal of 112121100120233 is 332021001121211.

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 18437517095449 + 93683583024784 = 4293893^2 + 9679028^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121100120233 - 2¹⁰ = 112121100119209 is a prime.

It is a super-2 number, since 2×112121100120233² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121100123233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9286154318 + ... + 9286166391.

It is an arithmetic number, because the mean of its divisors is an integer number (28034918111745).

Almost surely, 2^{112121100120233} is an apocalyptic number.

It is an amenable number.

112121100120233 is a deficient number, since it is larger than the sum of its proper divisors (18572326747).

112121100120233 is an equidigital number, since it uses as much as digits as its factorization.

112121100120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18572326746.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 112121100120233 its reverse (332021001121211), we get a palindrome (444142101241444).

The spelling of 112121100120233 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred million, one hundred twenty thousand, two hundred thirty-three".