112012120111111 has 4 divisors (see below), whose sum is σ = 122195040121224. Its totient is φ = 101829200101000.

The previous prime is 112012120111097. The next prime is 112012120111117. The reversal of 112012120111111 is 111111021210211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112012120111111 - 2¹³ = 112012120102919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012120111117) 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, 5091460005040 + ... + 5091460005061.

It is an arithmetic number, because the mean of its divisors is an integer number (30548760030306).

Almost surely, 2^{112012120111111} is an apocalyptic number.

112012120111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112012120111111 is a deficient number, since it is larger than the sum of its proper divisors (10182920010113).

112012120111111 is a wasteful number, since it uses less digits than its factorization.

112012120111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182920010112.

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

Adding to 112012120111111 its reverse (111111021210211), we get a palindrome (223123141321322).

The spelling of 112012120111111 in words is "one hundred twelve trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, one hundred eleven".