1141112321 has 4 divisors (see below), whose sum is σ = 1141647444. Its totient is φ = 1140577200.

The previous prime is 1141112293. The next prime is 1141112327. The reversal of 1141112321 is 1232111411.

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 1124596225 + 16516096 = 33535^2 + 4064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141112321 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 1141112321.

It is not an unprimeable number, because it can be changed into a prime (1141112327) 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, 264350 + ... + 268631.

It is an arithmetic number, because the mean of its divisors is an integer number (285411861).

Almost surely, 2^1141112321 is an apocalyptic number.

It is an amenable number.

1141112321 is a deficient number, since it is larger than the sum of its proper divisors (535123).

1141112321 is an equidigital number, since it uses as much as digits as its factorization.

1141112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535122.

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

The square root of 1141112321 is about 33780.3540686003. The cubic root of 1141112321 is about 1044.9835764305.

Adding to 1141112321 its reverse (1232111411), we get a palindrome (2373223732).

It can be divided in two parts, 11411 and 12321, that added together give a palindrome (23732).

The spelling of 1141112321 in words is "one billion, one hundred forty-one million, one hundred twelve thousand, three hundred twenty-one".