1121322121320 has 64 divisors (see below), whose sum is σ = 3364808166720. Its totient is φ = 298944405504.

The previous prime is 1121322121303. The next prime is 1121322121331. The reversal of 1121322121320 is 231212231211.

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 15 ways as a sum of consecutive naturals, for example, 686809 + ... + 1647528.

It is an arithmetic number, because the mean of its divisors is an integer number (52575127605).

Almost surely, 2^{1121322121320} is an apocalyptic number.

1121322121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121322121320 is an abundant number, since it is smaller than the sum of its proper divisors (2243486045400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121322121320 is a wasteful number, since it uses less digits than its factorization.

1121322121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338354 (or 2338350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1121322121320 its reverse (231212231211), we get a palindrome (1352534352531).

The spelling of 1121322121320 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty".