1121120320424 has 32 divisors (see below), whose sum is σ = 2280087012000. Its totient is φ = 513717550272.

The previous prime is 1121120320393. The next prime is 1121120320427. The reversal of 1121120320424 is 4240230211211.

It is a super-2 number, since 2×1121120320424² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121120320424.

It is not an unprimeable number, because it can be changed into a prime (1121120320427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38762534 + ... + 38791445.

It is an arithmetic number, because the mean of its divisors is an integer number (71252719125).

Almost surely, 2^{1121120320424} is an apocalyptic number.

It is an amenable number.

1121120320424 is an abundant number, since it is smaller than the sum of its proper divisors (1158966691576).

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

1121120320424 is a wasteful number, since it uses less digits than its factorization.

1121120320424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77554137 (or 77554133 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1121120320424 its reverse (4240230211211), we get a palindrome (5361350531635).

The spelling of 1121120320424 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, three hundred twenty thousand, four hundred twenty-four".