1141213321 has 4 divisors (see below), whose sum is σ = 1201277200. Its totient is φ = 1081149444.

The previous prime is 1141213319. The next prime is 1141213351. The reversal of 1141213321 is 1233121411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1141213321 - 2¹ = 1141213319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 60063859 = 1141213321 / (1 + 1 + 4 + 1 + 2 + 1 + 3 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141213351) 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, 30031911 + ... + 30031948.

It is an arithmetic number, because the mean of its divisors is an integer number (300319300).

Almost surely, 2^1141213321 is an apocalyptic number.

It is an amenable number.

1141213321 is a deficient number, since it is larger than the sum of its proper divisors (60063879).

1141213321 is an equidigital number, since it uses as much as digits as its factorization.

1141213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60063878.

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

The square root of 1141213321 is about 33781.8489872890. The cubic root of 1141213321 is about 1045.0144060650.

Adding to 1141213321 its reverse (1233121411), we get a palindrome (2374334732).

The spelling of 1141213321 in words is "one billion, one hundred forty-one million, two hundred thirteen thousand, three hundred twenty-one".