111101211201112 has 32 divisors (see below), whose sum is σ = 227360744856000. Its totient is φ = 50476491124000.

The previous prime is 111101211201083. The next prime is 111101211201131. The reversal of 111101211201112 is 211102112101111.

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, 300557014 + ... + 300926437.

It is an arithmetic number, because the mean of its divisors is an integer number (7105023276750).

Almost surely, 2^{111101211201112} is an apocalyptic number.

It is an amenable number.

111101211201112 is an abundant number, since it is smaller than the sum of its proper divisors (116259533654888).

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

111101211201112 is a wasteful number, since it uses less digits than its factorization.

111101211201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601485567 (or 601485563 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111101211201112 its reverse (211102112101111), we get a palindrome (322203323302223).

The spelling of 111101211201112 in words is "one hundred eleven trillion, one hundred one billion, two hundred eleven million, two hundred one thousand, one hundred twelve".