111102001122112 has 112 divisors (see below), whose sum is σ = 296013024139392. Its totient is φ = 39956763617280.

The previous prime is 111102001122083. The next prime is 111102001122143. The reversal of 111102001122112 is 211221100201111.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×111102001122112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867053203 + ... + 867181330.

It is an arithmetic number, because the mean of its divisors is an integer number (2642973429816).

Almost surely, 2^{111102001122112} is an apocalyptic number.

It is an amenable number.

111102001122112 is an abundant number, since it is smaller than the sum of its proper divisors (184911023017280).

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

111102001122112 is a wasteful number, since it uses less digits than its factorization.

111102001122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734234576 (or 1734234566 counting only the distinct ones).

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

Adding to 111102001122112 its reverse (211221100201111), we get a palindrome (322323101323223).

The spelling of 111102001122112 in words is "one hundred eleven trillion, one hundred two billion, one million, one hundred twenty-two thousand, one hundred twelve".