111100222111110 has 64 divisors (see below), whose sum is σ = 271673578867392. Its totient is φ = 29067507196416.

The previous prime is 111100222111061. The next prime is 111100222111121. The reversal of 111100222111110 is 11111222001111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111100222111110.

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 31 ways as a sum of consecutive naturals, for example, 347727552 + ... + 348046908.

It is an arithmetic number, because the mean of its divisors is an integer number (4244899669803).

Almost surely, 2^{111100222111110} is an apocalyptic number.

111100222111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111100222111110 is an abundant number, since it is smaller than the sum of its proper divisors (160573356756282).

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

111100222111110 is a wasteful number, since it uses less digits than its factorization.

111100222111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538217.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111100222111110 its reverse (11111222001111), we get a palindrome (122211444112221).

The spelling of 111100222111110 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-two million, one hundred eleven thousand, one hundred ten".