1112300221121 has 4 divisors (see below), whose sum is σ = 1112302831044. Its totient is φ = 1112297611200.

The previous prime is 1112300221111. The next prime is 1112300221169. The reversal of 1112300221121 is 1211220032111.

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 786103890625 + 326196330496 = 886625^2 + 571136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112300221121 - 2²⁶ = 1112233112257 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 1112300221121.

It is not an unprimeable number, because it can be changed into a prime (1112300221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500300 + ... + 1573181.

It is an arithmetic number, because the mean of its divisors is an integer number (278075707761).

Almost surely, 2^{1112300221121} is an apocalyptic number.

It is an amenable number.

1112300221121 is a deficient number, since it is larger than the sum of its proper divisors (2609923).

1112300221121 is an equidigital number, since it uses as much as digits as its factorization.

1112300221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609922.

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

Adding to 1112300221121 its reverse (1211220032111), we get a palindrome (2323520253232).

The spelling of 1112300221121 in words is "one trillion, one hundred twelve billion, three hundred million, two hundred twenty-one thousand, one hundred twenty-one".