1100101200120 has 192 divisors, whose sum is σ = 3939898042080. Its totient is φ = 264496555008.

The previous prime is 1100101200053. The next prime is 1100101200181. The reversal of 1100101200120 is 210021010011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2532067 + ... + 2934546.

Almost surely, 2^{1100101200120} is an apocalyptic number.

1100101200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100101200120 is an abundant number, since it is smaller than the sum of its proper divisors (2839796841960).

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

1100101200120 is a wasteful number, since it uses less digits than its factorization.

1100101200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466686 (or 5466679 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100101200120 its reverse (210021010011), we get a palindrome (1310122210131).

The spelling of 1100101200120 in words is "one trillion, one hundred billion, one hundred one million, two hundred thousand, one hundred twenty".