112221220212011 has 16 divisors (see below), whose sum is σ = 112997578206240. Its totient is φ = 111447684606720.

The previous prime is 112221220212007. The next prime is 112221220212029. The reversal of 112221220212011 is 110212022122211.

It is a cyclic number.

It is not a de Polignac number, because 112221220212011 - 2² = 112221220212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112221220211011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153786665 + ... + 154514661.

It is an arithmetic number, because the mean of its divisors is an integer number (7062348637890).

Almost surely, 2^{112221220212011} is an apocalyptic number.

112221220212011 is a deficient number, since it is larger than the sum of its proper divisors (776357994229).

112221220212011 is a wasteful number, since it uses less digits than its factorization.

112221220212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729934.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112221220212011 its reverse (110212022122211), we get a palindrome (222433242334222).

The spelling of 112221220212011 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twelve thousand, eleven".