111311220110 has 16 divisors (see below), whose sum is σ = 212146090416. Its totient is φ = 41905400448.

The previous prime is 111311220109. The next prime is 111311220121. The reversal of 111311220110 is 11022113111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327385772 + ... + 327386111.

It is an arithmetic number, because the mean of its divisors is an integer number (13259130651).

Almost surely, 2^111311220110 is an apocalyptic number.

111311220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111311220110 is a deficient number, since it is larger than the sum of its proper divisors (100834870306).

111311220110 is a wasteful number, since it uses less digits than its factorization.

111311220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654771907.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111311220110 its reverse (11022113111), we get a palindrome (122333333221).

The spelling of 111311220110 in words is "one hundred eleven billion, three hundred eleven million, two hundred twenty thousand, one hundred ten".