1121121231322 has 4 divisors (see below), whose sum is σ = 1681681846986. Its totient is φ = 560560615660.

The previous prime is 1121121231317. The next prime is 1121121231353. The reversal of 1121121231322 is 2231321211211.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1074848489001 + 46272742321 = 1036749^2 + 215111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121121231293 and 1121121231302.

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, 280280307829 + ... + 280280307832.

Almost surely, 2^{1121121231322} is an apocalyptic number.

1121121231322 is a deficient number, since it is larger than the sum of its proper divisors (560560615664).

1121121231322 is an equidigital number, since it uses as much as digits as its factorization.

1121121231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560560615663.

The product of its digits is 288, while the sum is 22.

Adding to 1121121231322 its reverse (2231321211211), we get a palindrome (3352442442533).

The spelling of 1121121231322 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-two".