1101312331200 has 168 divisors, whose sum is σ = 4014691498160. Its totient is φ = 293683276800.

The previous prime is 1101312331183. The next prime is 1101312331201. The reversal of 1101312331200 is 21332131011.

1101312331200 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 312 + 331 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101312331201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12703471 + ... + 12789870.

Almost surely, 2^{1101312331200} is an apocalyptic number.

1101312331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101312331200 is an abundant number, since it is smaller than the sum of its proper divisors (2913379166960).

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

1101312331200 is a wasteful number, since it uses less digits than its factorization.

1101312331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25493372 (or 25493351 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1101312331200 its reverse (21332131011), we get a palindrome (1122644462211).

The spelling of 1101312331200 in words is "one trillion, one hundred one billion, three hundred twelve million, three hundred thirty-one thousand, two hundred".