1121013200320 has 112 divisors (see below), whose sum is σ = 3043855378368. Its totient is φ = 389564743680.

The previous prime is 1121013200261. The next prime is 1121013200339. The reversal of 1121013200320 is 230023101211.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1121013200294 and 1121013200303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7854996 + ... + 7996435.

It is an arithmetic number, because the mean of its divisors is an integer number (27177280164).

Almost surely, 2^{1121013200320} is an apocalyptic number.

1121013200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121013200320 is an abundant number, since it is smaller than the sum of its proper divisors (1922842178048).

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

1121013200320 is a wasteful number, since it uses less digits than its factorization.

1121013200320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15851478 (or 15851468 counting only the distinct ones).

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

Adding to 1121013200320 its reverse (230023101211), we get a palindrome (1351036301531).

The spelling of 1121013200320 in words is "one trillion, one hundred twenty-one billion, thirteen million, two hundred thousand, three hundred twenty".