1100321133120 has 280 divisors, whose sum is σ = 4269858392448. Its totient is φ = 266744448000.

The previous prime is 1100321133013. The next prime is 1100321133137. The reversal of 1100321133120 is 213311230011.

1100321133120 is a `hidden beast` number, since 1 + 10 + 0 + 321 + 1 + 331 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1100321133093 and 1100321133102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1644456 + ... + 2214695.

Almost surely, 2^{1100321133120} is an apocalyptic number.

1100321133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100321133120 is an abundant number, since it is smaller than the sum of its proper divisors (3169537259328).

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

1100321133120 is a wasteful number, since it uses less digits than its factorization.

1100321133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859191 (or 3859172 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100321133120 its reverse (213311230011), we get a palindrome (1313632363131).

The spelling of 1100321133120 in words is "one trillion, one hundred billion, three hundred twenty-one million, one hundred thirty-three thousand, one hundred twenty".