1103033201100 has 72 divisors (see below), whose sum is σ = 3224344285008. Its totient is φ = 291109785600.

The previous prime is 1103033201089. The next prime is 1103033201113. The reversal of 1103033201100 is 11023303011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1103033201100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18923361 + ... + 18981560.

It is an arithmetic number, because the mean of its divisors is an integer number (44782559514).

Almost surely, 2^{1103033201100} is an apocalyptic number.

1103033201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103033201100 is an abundant number, since it is smaller than the sum of its proper divisors (2121311083908).

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

1103033201100 is a wasteful number, since it uses less digits than its factorization.

1103033201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37905035 (or 37905028 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1103033201100 its reverse (11023303011), we get a palindrome (1114056504111).

The spelling of 1103033201100 in words is "one trillion, one hundred three billion, thirty-three million, two hundred one thousand, one hundred".