111111111100010 has 32 divisors (see below), whose sum is σ = 240601503738240. Its totient is φ = 36090225559872.

The previous prime is 111111111099913. The next prime is 111111111100021. The reversal of 111111111100010 is 10001111111111.

111111111100010 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 = 111111111099964 and 111111111100000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41771093069 + ... + 41771095728.

It is an arithmetic number, because the mean of its divisors is an integer number (7518796991820).

Almost surely, 2^{111111111100010} is an apocalyptic number.

111111111100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111111111100010 is an abundant number, since it is smaller than the sum of its proper divisors (129490392638230).

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

111111111100010 is a wasteful number, since it uses less digits than its factorization.

111111111100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83542188830.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 111111111100010 its reverse (10001111111111), we get a palindrome (121112222211121).

The spelling of 111111111100010 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred thousand, ten".