111011221210112 has 44 divisors (see below), whose sum is σ = 223403389257900. Its totient is φ = 55133089652736.

The previous prime is 111011221210103. The next prime is 111011221210139. The reversal of 111011221210112 is 211012122110111.

It can be written as a sum of positive squares in 2 ways, for example, as 29143759062016 + 81867462148096 = 5398496^2 + 9048064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363637343 + ... + 363942494.

Almost surely, 2^{111011221210112} is an apocalyptic number.

It is an amenable number.

111011221210112 is an abundant number, since it is smaller than the sum of its proper divisors (112392168047788).

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

111011221210112 is an equidigital number, since it uses as much as digits as its factorization.

111011221210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727580006 (or 727579988 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111011221210112 its reverse (211012122110111), we get a palindrome (322023343320223).

The spelling of 111011221210112 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".