112221121110121 has 16 divisors (see below), whose sum is σ = 115310886945408. Its totient is φ = 109148548579200.

The previous prime is 112221121109953. The next prime is 112221121110179. The reversal of 112221121110121 is 121011121122211.

It is a cyclic number.

It is not a de Polignac number, because 112221121110121 - 2³³ = 112212531175529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112221121110221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19970236 + ... + 24965026.

It is an arithmetic number, because the mean of its divisors is an integer number (7206930434088).

Almost surely, 2^{112221121110121} is an apocalyptic number.

It is an amenable number.

112221121110121 is a deficient number, since it is larger than the sum of its proper divisors (3089765835287).

112221121110121 is a wasteful number, since it uses less digits than its factorization.

112221121110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996512.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112221121110121 its reverse (121011121122211), we get a palindrome (233232242232332).

The spelling of 112221121110121 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".