121311322 has 16 divisors (see below), whose sum is σ = 199018944. Its totient is φ = 55000000.

The previous prime is 121311317. The next prime is 121311341. The reversal of 121311322 is 223113121.

It is a junction number, because it is equal to n+sod(n) for n = 121311296 and 121311305.

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 in 7 ways as a sum of consecutive naturals, for example, 1947 + ... + 15697.

It is an arithmetic number, because the mean of its divisors is an integer number (12438684).

Almost surely, 2^121311322 is an apocalyptic number.

121311322 is a deficient number, since it is larger than the sum of its proper divisors (77707622).

121311322 is a wasteful number, since it uses less digits than its factorization.

121311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165.

The product of its digits is 72, while the sum is 16.

The square root of 121311322 is about 11014.1419093818. The cubic root of 121311322 is about 495.0325754843.

Adding to 121311322 its reverse (223113121), we get a palindrome (344424443).

The spelling of 121311322 in words is "one hundred twenty-one million, three hundred eleven thousand, three hundred twenty-two".