111001121200220 has 24 divisors (see below), whose sum is σ = 246814257728304. Its totient is φ = 41788657392896.

The previous prime is 111001121200187. The next prime is 111001121200231. The reversal of 111001121200220 is 22002121100111.

111001121200220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111001121200195 and 111001121200204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163236942602 + ... + 163236943281.

It is an arithmetic number, because the mean of its divisors is an integer number (10283927405346).

Almost surely, 2^{111001121200220} is an apocalyptic number.

111001121200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001121200220 is an abundant number, since it is smaller than the sum of its proper divisors (135813136528084).

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

111001121200220 is a wasteful number, since it uses less digits than its factorization.

111001121200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326473885909 (or 326473885907 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111001121200220 its reverse (22002121100111), we get a palindrome (133003242300331).

The spelling of 111001121200220 in words is "one hundred eleven trillion, one billion, one hundred twenty-one million, two hundred thousand, two hundred twenty".