111120200000001 has 16 divisors (see below), whose sum is σ = 167412730699200. Its totient is φ = 72824537852064.

The previous prime is 111120199999969. The next prime is 111120200000021. The reversal of 111120200000001 is 100000002021111.

It is a happy number.

It is not a de Polignac number, because 111120200000001 - 2⁵ = 111120199999969 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (111120200000021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34877650636 + ... + 34877653821.

It is an arithmetic number, because the mean of its divisors is an integer number (10463295668700).

Almost surely, 2^{111120200000001} is an apocalyptic number.

It is an amenable number.

111120200000001 is a deficient number, since it is larger than the sum of its proper divisors (56292530699199).

111120200000001 is an equidigital number, since it uses as much as digits as its factorization.

111120200000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69755304525 (or 69755304519 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 111120200000001 its reverse (100000002021111), we get a palindrome (211120202021112).

The spelling of 111120200000001 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred million, one", and thus it is an aban number.