1100122110120 has 128 divisors (see below), whose sum is σ = 3636047594880. Its totient is φ = 264055680000.

The previous prime is 1100122110089. The next prime is 1100122110121. The reversal of 1100122110120 is 210112210011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100122110096 and 1100122110105.

It is not an unprimeable number, because it can be changed into a prime (1100122110121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3992551 + ... + 4259190.

It is an arithmetic number, because the mean of its divisors is an integer number (28406621835).

Almost surely, 2^{1100122110120} is an apocalyptic number.

1100122110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100122110120 is an abundant number, since it is smaller than the sum of its proper divisors (2535925484760).

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

1100122110120 is a wasteful number, since it uses less digits than its factorization.

1100122110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251867 (or 8251863 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100122110120 its reverse (210112210011), we get a palindrome (1310234320131).

The spelling of 1100122110120 in words is "one trillion, one hundred billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty".