112112122011 has 8 divisors (see below), whose sum is σ = 149653280784. Its totient is φ = 74656188960.

The previous prime is 112112121991. The next prime is 112112122033. The reversal of 112112122011 is 110221211211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-112112122011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112112122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21303360 + ... + 21308621.

It is an arithmetic number, because the mean of its divisors is an integer number (18706660098).

Almost surely, 2^112112122011 is an apocalyptic number.

112112122011 is a deficient number, since it is larger than the sum of its proper divisors (37541158773).

112112122011 is an equidigital number, since it uses as much as digits as its factorization.

112112122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42612861.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112112122011 its reverse (110221211211), we get a palindrome (222333333222).

The spelling of 112112122011 in words is "one hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, eleven".