112221101100121 has 16 divisors (see below), whose sum is σ = 123588460497600. Its totient is φ = 101264068496448.

The previous prime is 112221101100103. The next prime is 112221101100209. The reversal of 112221101100121 is 121001101122211.

It is not a de Polignac number, because 112221101100121 - 2⁵ = 112221101100089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112221101100095 and 112221101100104.

It is not an unprimeable number, because it can be changed into a prime (112221101170121) 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 15 ways as a sum of consecutive naturals, for example, 408554706 + ... + 408829291.

It is an arithmetic number, because the mean of its divisors is an integer number (7724278781100).

Almost surely, 2^{112221101100121} is an apocalyptic number.

It is an amenable number.

112221101100121 is a deficient number, since it is larger than the sum of its proper divisors (11367359397479).

112221101100121 is a wasteful number, since it uses less digits than its factorization.

112221101100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817384248.

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

Adding to 112221101100121 its reverse (121001101122211), we get a palindrome (233222202222332).

The spelling of 112221101100121 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred one million, one hundred thousand, one hundred twenty-one".