1101001100100 has 72 divisors (see below), whose sum is σ = 3475159846368. Its totient is φ = 266909356800.

The previous prime is 1101001100083. The next prime is 1101001100113. The reversal of 1101001100100 is 10011001011.

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 23 ways as a sum of consecutive naturals, for example, 166815049 + ... + 166821648.

Almost surely, 2^{1101001100100} is an apocalyptic number.

1101001100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101001100100 is an abundant number, since it is smaller than the sum of its proper divisors (2374158746268).

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

1101001100100 is a wasteful number, since it uses less digits than its factorization.

1101001100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333636725 (or 333636718 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1101001100100 its reverse (10011001011), we get a palindrome (1111012101111).

It can be divided in two parts, 1 and 101001100100, that added together give a palindrome (101001100101).

The spelling of 1101001100100 in words is "one trillion, one hundred one billion, one million, one hundred thousand, one hundred".