1123221021232 has 10 divisors (see below), whose sum is σ = 2176240728668. Its totient is φ = 561610510608.

The previous prime is 1123221021227. The next prime is 1123221021313. The reversal of 1123221021232 is 2321201223211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35100656898 + ... + 35100656929.

Almost surely, 2^{1123221021232} is an apocalyptic number.

It is an amenable number.

1123221021232 is a deficient number, since it is larger than the sum of its proper divisors (1053019707436).

1123221021232 is an equidigital number, since it uses as much as digits as its factorization.

1123221021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70201313835 (or 70201313829 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1123221021232 its reverse (2321201223211), we get a palindrome (3444422244443).

The spelling of 1123221021232 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, twenty-one thousand, two hundred thirty-two".