112012211222011 has 4 divisors (see below), whose sum is σ = 112377071845192. Its totient is φ = 111647350598832.

The previous prime is 112012211221927. The next prime is 112012211222059. The reversal of 112012211222011 is 110222112210211.

It is a happy number.

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 112012211222011 - 2⁹ = 112012211221499 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 112012211222011.

It is not an unprimeable number, because it can be changed into a prime (112012211222311) 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, 182430311130 + ... + 182430311743.

It is an arithmetic number, because the mean of its divisors is an integer number (28094267961298).

Almost surely, 2^{112012211222011} is an apocalyptic number.

112012211222011 is a deficient number, since it is larger than the sum of its proper divisors (364860623181).

112012211222011 is an equidigital number, since it uses as much as digits as its factorization.

112012211222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364860623180.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112012211222011 its reverse (110222112210211), we get a palindrome (222234323432222).

The spelling of 112012211222011 in words is "one hundred twelve trillion, twelve billion, two hundred eleven million, two hundred twenty-two thousand, eleven".