1113039282821 has 4 divisors (see below), whose sum is σ = 1140186582444. Its totient is φ = 1085891983200.

The previous prime is 1113039282793. The next prime is 1113039282827. The reversal of 1113039282821 is 1282829303111.

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 398431113796 + 714608169025 = 631214^2 + 845345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113039282821 - 2¹⁰ = 1113039281797 is a prime.

It is a super-4 number, since 4×1113039282821⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 27147299581 = 1113039282821 / (1 + 1 + 1 + 3 + 0 + 3 + 9 + 2 + 8 + 2 + 8 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113039282827) 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, 13573649750 + ... + 13573649831.

It is an arithmetic number, because the mean of its divisors is an integer number (285046645611).

Almost surely, 2^{1113039282821} is an apocalyptic number.

It is an amenable number.

1113039282821 is a deficient number, since it is larger than the sum of its proper divisors (27147299623).

1113039282821 is an equidigital number, since it uses as much as digits as its factorization.

1113039282821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27147299622.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 1113039282821 in words is "one trillion, one hundred thirteen billion, thirty-nine million, two hundred eighty-two thousand, eight hundred twenty-one".