112120211012111 has 4 divisors (see below), whose sum is σ = 114505747416672. Its totient is φ = 109734674607552.

The previous prime is 112120211012081. The next prime is 112120211012113. The reversal of 112120211012111 is 111210112021211.

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 112120211012111 - 2²² = 112120206817807 is a prime.

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 112120211012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120211012113) 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, 1192768202210 + ... + 1192768202303.

It is an arithmetic number, because the mean of its divisors is an integer number (28626436854168).

Almost surely, 2^{112120211012111} is an apocalyptic number.

112120211012111 is a deficient number, since it is larger than the sum of its proper divisors (2385536404561).

112120211012111 is an equidigital number, since it uses as much as digits as its factorization.

112120211012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385536404560.

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

Adding to 112120211012111 its reverse (111210112021211), we get a palindrome (223330323033322).

The spelling of 112120211012111 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred eleven million, twelve thousand, one hundred eleven".