1112121030223 has 4 divisors (see below), whose sum is σ = 1270995463120. Its totient is φ = 953246597328.

The previous prime is 1112121030221. The next prime is 1112121030271. The reversal of 1112121030223 is 3220301212111.

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 1112121030223 - 2¹ = 1112121030221 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 1112121030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112121030221) 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, 79437216438 + ... + 79437216451.

It is an arithmetic number, because the mean of its divisors is an integer number (317748865780).

Almost surely, 2^{1112121030223} is an apocalyptic number.

1112121030223 is a deficient number, since it is larger than the sum of its proper divisors (158874432897).

1112121030223 is an equidigital number, since it uses as much as digits as its factorization.

1112121030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158874432896.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1112121030223 its reverse (3220301212111), we get a palindrome (4332422242334).

The spelling of 1112121030223 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, thirty thousand, two hundred twenty-three".