112212111220111 has 16 divisors (see below), whose sum is σ = 129086421811200. Its totient is φ = 95550603755328.

The previous prime is 112212111220091. The next prime is 112212111220129. The reversal of 112212111220111 is 111022111212211.

It is a cyclic number.

It is not a de Polignac number, because 112212111220111 - 2⁹ = 112212111219599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212111220171) 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, 74288566 + ... + 75784003.

It is an arithmetic number, because the mean of its divisors is an integer number (8067901363200).

Almost surely, 2^{112212111220111} is an apocalyptic number.

112212111220111 is a deficient number, since it is larger than the sum of its proper divisors (16874310591089).

112212111220111 is a wasteful number, since it uses less digits than its factorization.

112212111220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150073278.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112212111220111 its reverse (111022111212211), we get a palindrome (223234222432322).

The spelling of 112212111220111 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred eleven".