1123332331221 has 12 divisors (see below), whose sum is σ = 1630281153280. Its totient is φ = 745338986280.

The previous prime is 1123332331207. The next prime is 1123332331279. The reversal of 1123332331221 is 1221332333211.

1123332331221 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 3 + 323 + 312 + 21 = 666.

It is not a de Polignac number, because 1123332331221 - 2¹⁸ = 1123332069077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123332331201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295767541 + ... + 295771338.

Almost surely, 2^{1123332331221} is an apocalyptic number.

It is an amenable number.

1123332331221 is a deficient number, since it is larger than the sum of its proper divisors (506948822059).

1123332331221 is a wasteful number, since it uses less digits than its factorization.

1123332331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591539096 (or 591539093 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1123332331221 its reverse (1221332333211), we get a palindrome (2344664664432).

The spelling of 1123332331221 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-one".