1121221322 has 16 divisors (see below), whose sum is σ = 1820313600. Its totient is φ = 514883952.

The previous prime is 1121221291. The next prime is 1121221373. The reversal of 1121221322 is 2231221211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121221322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103178 + ... + 113525.

It is an arithmetic number, because the mean of its divisors is an integer number (113769600).

Almost surely, 2^1121221322 is an apocalyptic number.

1121221322 is a deficient number, since it is larger than the sum of its proper divisors (699092278).

1121221322 is a wasteful number, since it uses less digits than its factorization.

1121221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216917.

The product of its digits is 96, while the sum is 17.

The square root of 1121221322 is about 33484.6430770883. The cubic root of 1121221322 is about 1038.8761658189.

Adding to 1121221322 its reverse (2231221211), we get a palindrome (3352442533).

The spelling of 1121221322 in words is "one billion, one hundred twenty-one million, two hundred twenty-one thousand, three hundred twenty-two".