112102212212111 has 16 divisors (see below), whose sum is σ = 129520567911168. Its totient is φ = 95891501193600.

The previous prime is 112102212212041. The next prime is 112102212212117. The reversal of 112102212212111 is 111212212201211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-112102212212111 is a prime.

It is a super-3 number, since 3×112102212212111³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102212212117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76869785 + ... + 78314546.

It is an arithmetic number, because the mean of its divisors is an integer number (8095035494448).

Almost surely, 2^{112102212212111} is an apocalyptic number.

112102212212111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112102212212111 is a deficient number, since it is larger than the sum of its proper divisors (17418355699057).

112102212212111 is a wasteful number, since it uses less digits than its factorization.

112102212212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155188222.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112102212212111 its reverse (111212212201211), we get a palindrome (223314424413322).

The spelling of 112102212212111 in words is "one hundred twelve trillion, one hundred two billion, two hundred twelve million, two hundred twelve thousand, one hundred eleven".