1100100200100 has 144 divisors (see below), whose sum is σ = 3499658674176. Its totient is φ = 264590928000.

The previous prime is 1100100200039. The next prime is 1100100200123. The reversal of 1100100200100 is 10020010011.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 893356 + ... + 1731555.

Almost surely, 2^{1100100200100} is an apocalyptic number.

1100100200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100100200100 is an abundant number, since it is smaller than the sum of its proper divisors (2399558474076).

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

1100100200100 is a wasteful number, since it uses less digits than its factorization.

1100100200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625066 (or 2625059 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 1100100200100 its reverse (10020010011), we get a palindrome (1110120210111).

The spelling of 1100100200100 in words is "one trillion, one hundred billion, one hundred million, two hundred thousand, one hundred".