1101100100208 has 80 divisors (see below), whose sum is σ = 2896431283200. Its totient is φ = 360385009920.

The previous prime is 1101100100189. The next prime is 1101100100251. The reversal of 1101100100208 is 8020010011011.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 115788 + ... + 1488491.

It is an arithmetic number, because the mean of its divisors is an integer number (36205391040).

Almost surely, 2^{1101100100208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101100100208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448215641600).

1101100100208 is an abundant number, since it is smaller than the sum of its proper divisors (1795331182992).

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

1101100100208 is a wasteful number, since it uses less digits than its factorization.

1101100100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604550 (or 1604544 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101100100208 its reverse (8020010011011), we get a palindrome (9121110111219).

The spelling of 1101100100208 in words is "one trillion, one hundred one billion, one hundred million, one hundred thousand, two hundred eight".