101111110200 has 72 divisors (see below), whose sum is σ = 339564817800. Its totient is φ = 26962962240.

The previous prime is 101111110189. The next prime is 101111110213. The reversal of 101111110200 is 2011111101.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28084620 + ... + 28088219.

It is an arithmetic number, because the mean of its divisors is an integer number (4716178025).

Almost surely, 2^101111110200 is an apocalyptic number.

101111110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111110200 is an abundant number, since it is smaller than the sum of its proper divisors (238453707600).

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

101111110200 is a wasteful number, since it uses less digits than its factorization.

101111110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56172861 (or 56172849 counting only the distinct ones).

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

Adding to 101111110200 its reverse (2011111101), we get a palindrome (103122221301).

Subtracting from 101111110200 its reverse (2011111101), we obtain a palindrome (99099999099).

It can be divided in two parts, 101111110 and 200, that added together give a triangular number (101111310 = T₁₄₂₂₀).

The spelling of 101111110200 in words is "one hundred one billion, one hundred eleven million, one hundred ten thousand, two hundred".