1123333221211 has 4 divisors (see below), whose sum is σ = 1124793993400. Its totient is φ = 1121872449024.

The previous prime is 1123333221203. The next prime is 1123333221253. The reversal of 1123333221211 is 1121223333211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123333221211 - 2³ = 1123333221203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123333221281) 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, 730384941 + ... + 730386478.

It is an arithmetic number, because the mean of its divisors is an integer number (281198498350).

Almost surely, 2^{1123333221211} is an apocalyptic number.

1123333221211 is a deficient number, since it is larger than the sum of its proper divisors (1460772189).

1123333221211 is an equidigital number, since it uses as much as digits as its factorization.

1123333221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460772188.

The product of its digits is 1296, while the sum is 25.

Adding to 1123333221211 its reverse (1121223333211), we get a palindrome (2244556554422).

The spelling of 1123333221211 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred eleven".