1101100231200 has 144 divisors (see below), whose sum is σ = 3671498196576. Its totient is φ = 286465075200.

The previous prime is 1101100231199. The next prime is 1101100231213. The reversal of 1101100231200 is 21320011011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5496622 + ... + 5693421.

It is an arithmetic number, because the mean of its divisors is an integer number (25496515254).

Almost surely, 2^{1101100231200} is an apocalyptic number.

1101100231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101100231200 is an abundant number, since it is smaller than the sum of its proper divisors (2570397965376).

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

1101100231200 is a wasteful number, since it uses less digits than its factorization.

1101100231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190107 (or 11190094 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1101100231200 its reverse (21320011011), we get a palindrome (1122420242211).

The spelling of 1101100231200 in words is "one trillion, one hundred one billion, one hundred million, two hundred thirty-one thousand, two hundred".