111112102210 has 16 divisors (see below), whose sum is σ = 200318755392. Its totient is φ = 44374402800.

The previous prime is 111112102183. The next prime is 111112102237. The reversal of 111112102210 is 12201211111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111112102183) and next prime (111112102237).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8798136 + ... + 8810755.

It is an arithmetic number, because the mean of its divisors is an integer number (12519922212).

Almost surely, 2^111112102210 is an apocalyptic number.

111112102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111112102210 is a deficient number, since it is larger than the sum of its proper divisors (89206653182).

111112102210 is a wasteful number, since it uses less digits than its factorization.

111112102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609529.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111112102210 its reverse (12201211111), we get a palindrome (123313313321).

The spelling of 111112102210 in words is "one hundred eleven billion, one hundred twelve million, one hundred two thousand, two hundred ten".