1121123033320 has 128 divisors (see below), whose sum is σ = 2620696550400. Its totient is φ = 431338982400.

The previous prime is 1121123033311. The next prime is 1121123033383. The reversal of 1121123033320 is 233303211211.

It is a junction number, because it is equal to n+sod(n) for n = 1121123033291 and 1121123033300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158369541 + ... + 158376619.

It is an arithmetic number, because the mean of its divisors is an integer number (20474191800).

Almost surely, 2^{1121123033320} is an apocalyptic number.

1121123033320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121123033320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310348275200).

1121123033320 is an abundant number, since it is smaller than the sum of its proper divisors (1499573517080).

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

1121123033320 is a wasteful number, since it uses less digits than its factorization.

1121123033320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8579 (or 8575 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1121123033320 its reverse (233303211211), we get a palindrome (1354426244531).

The spelling of 1121123033320 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-three million, thirty-three thousand, three hundred twenty".