112120011212111 has 16 divisors (see below), whose sum is σ = 135675038453760. Its totient is φ = 90449488252800.

The previous prime is 112120011212089. The next prime is 112120011212113. The reversal of 112120011212111 is 111212110021211.

It is a cyclic number.

It is not a de Polignac number, because 112120011212111 - 2⁶ = 112120011212047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112120011212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120011212113) 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, 45367010 + ... + 47774528.

It is an arithmetic number, because the mean of its divisors is an integer number (8479689903360).

Almost surely, 2^{112120011212111} is an apocalyptic number.

112120011212111 is a deficient number, since it is larger than the sum of its proper divisors (23555027241649).

112120011212111 is a wasteful number, since it uses less digits than its factorization.

112120011212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798894.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 112120011212111 its reverse (111212110021211), we get a palindrome (223332121233322).

The spelling of 112120011212111 in words is "one hundred twelve trillion, one hundred twenty billion, eleven million, two hundred twelve thousand, one hundred eleven".