111222210100112 has 20 divisors (see below), whose sum is σ = 220504497932400. Its totient is φ = 54317823536928.

The previous prime is 111222210100049. The next prime is 111222210100117. The reversal of 111222210100112 is 211001012222111.

It is not an unprimeable number, because it can be changed into a prime (111222210100117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80830093862 + ... + 80830095237.

It is an arithmetic number, because the mean of its divisors is an integer number (11025224896620).

Almost surely, 2^{111222210100112} is an apocalyptic number.

It is an amenable number.

111222210100112 is a deficient number, since it is larger than the sum of its proper divisors (109282287832288).

111222210100112 is a wasteful number, since it uses less digits than its factorization.

111222210100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161660189150 (or 161660189144 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111222210100112 its reverse (211001012222111), we get a palindrome (322223222322223).

The spelling of 111222210100112 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred ten million, one hundred thousand, one hundred twelve".