112221100120121 has 8 divisors (see below), whose sum is σ = 112558980391680. Its totient is φ = 111883439756592.

The previous prime is 112221100120109. The next prime is 112221100120133. The reversal of 112221100120121 is 121021001122211.

It is an interprime number because it is at equal distance from previous prime (112221100120109) and next prime (112221100120133).

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

It is a cyclic number.

It is not a de Polignac number, because 112221100120121 - 2⁶ = 112221100120057 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 112221100120121.

It is not an unprimeable number, because it can be changed into a prime (112221100110121) 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, 53954825 + ... + 55996118.

It is an arithmetic number, because the mean of its divisors is an integer number (14069872548960).

Almost surely, 2^{112221100120121} is an apocalyptic number.

It is an amenable number.

112221100120121 is a deficient number, since it is larger than the sum of its proper divisors (337880271559).

112221100120121 is a wasteful number, since it uses less digits than its factorization.

112221100120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109954015.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112221100120121 its reverse (121021001122211), we get a palindrome (233242101242332).

The spelling of 112221100120121 in words is "one hundred twelve trillion, two hundred twenty-one billion, one hundred million, one hundred twenty thousand, one hundred twenty-one".