101111001001200 has 360 divisors, whose sum is σ = 351582705766656. Its totient is φ = 26909213760000.

The previous prime is 101111001001187. The next prime is 101111001001207. The reversal of 101111001001200 is 2100100111101.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111001001207) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14139417625 + ... + 14139424775.

Almost surely, 2^{101111001001200} is an apocalyptic number.

101111001001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101111001001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175791352883328).

101111001001200 is an abundant number, since it is smaller than the sum of its proper divisors (250471704765456).

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

101111001001200 is a wasteful number, since it uses less digits than its factorization.

101111001001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14453 (or 14439 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101111001001200 its reverse (2100100111101), we get a palindrome (103211101112301).

The spelling of 101111001001200 in words is "one hundred one trillion, one hundred eleven billion, one million, one thousand, two hundred".