1100331121320 has 96 divisors (see below), whose sum is σ = 3764290701600. Its totient is φ = 277978386816.

The previous prime is 1100331121313. The next prime is 1100331121349. The reversal of 1100331121320 is 231211330011.

1100331121320 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 331 + 12 + 1 + 320 = 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 = 1100331121293 and 1100331121302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80426722 + ... + 80440401.

It is an arithmetic number, because the mean of its divisors is an integer number (39211361475).

Almost surely, 2^{1100331121320} is an apocalyptic number.

1100331121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100331121320 is an abundant number, since it is smaller than the sum of its proper divisors (2663959580280).

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

1100331121320 is a wasteful number, since it uses less digits than its factorization.

1100331121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160867159 (or 160867152 counting only the distinct ones).

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

Adding to 1100331121320 its reverse (231211330011), we get a palindrome (1331542451331).

The spelling of 1100331121320 in words is "one trillion, one hundred billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty".