1123223302221 has 4 divisors (see below), whose sum is σ = 1497631069632. Its totient is φ = 748815534812.

The previous prime is 1123223302213. The next prime is 1123223302237. The reversal of 1123223302221 is 1222033223211.

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 1123223302221 - 2³ = 1123223302213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123223302191 and 1123223302200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123223306221) 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, 187203883701 + ... + 187203883706.

It is an arithmetic number, because the mean of its divisors is an integer number (374407767408).

Almost surely, 2^{1123223302221} is an apocalyptic number.

It is an amenable number.

1123223302221 is a deficient number, since it is larger than the sum of its proper divisors (374407767411).

1123223302221 is an equidigital number, since it uses as much as digits as its factorization.

1123223302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374407767410.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1123223302221 its reverse (1222033223211), we get a palindrome (2345256525432).

The spelling of 1123223302221 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, three hundred two thousand, two hundred twenty-one".