1121322233 has 4 divisors (see below), whose sum is σ = 1121435280. Its totient is φ = 1121209188.

The previous prime is 1121322203. The next prime is 1121322247. The reversal of 1121322233 is 3322231211.

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 1121322233 - 2⁸ = 1121321977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121322203) 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, 40043 + ... + 62016.

It is an arithmetic number, because the mean of its divisors is an integer number (280358820).

Almost surely, 2^1121322233 is an apocalyptic number.

It is an amenable number.

1121322233 is a deficient number, since it is larger than the sum of its proper divisors (113047).

1121322233 is a wasteful number, since it uses less digits than its factorization.

1121322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113046.

The product of its digits is 432, while the sum is 20.

The square root of 1121322233 is about 33486.1498682664. The cubic root of 1121322233 is about 1038.9073315028.

Adding to 1121322233 its reverse (3322231211), we get a palindrome (4443553444).

The spelling of 1121322233 in words is "one billion, one hundred twenty-one million, three hundred twenty-two thousand, two hundred thirty-three".