1100121110200 has 96 divisors (see below), whose sum is σ = 2994476153760. Its totient is φ = 367984742400.

The previous prime is 1100121110173. The next prime is 1100121110203. The reversal of 1100121110200 is 20111210011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100121110203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9525537 + ... + 9640336.

It is an arithmetic number, because the mean of its divisors is an integer number (31192459935).

Almost surely, 2^{1100121110200} is an apocalyptic number.

1100121110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100121110200 is an abundant number, since it is smaller than the sum of its proper divisors (1894355043560).

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

1100121110200 is a wasteful number, since it uses less digits than its factorization.

1100121110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165937 (or 19165928 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1100121110200 its reverse (20111210011), we get a palindrome (1120232320211).

The spelling of 1100121110200 in words is "one trillion, one hundred billion, one hundred twenty-one million, one hundred ten thousand, two hundred".