112020221220121 has 16 divisors (see below), whose sum is σ = 113483888546560. Its totient is φ = 110557703468160.

The previous prime is 112020221220119. The next prime is 112020221220181. The reversal of 112020221220121 is 121022122020211.

It is a cyclic number.

It is not a de Polignac number, because 112020221220121 - 2¹ = 112020221220119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020221220181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3871696771 + ... + 3871725703.

It is an arithmetic number, because the mean of its divisors is an integer number (7092743034160).

Almost surely, 2^{112020221220121} is an apocalyptic number.

It is an amenable number.

112020221220121 is a deficient number, since it is larger than the sum of its proper divisors (1463667326439).

112020221220121 is a wasteful number, since it uses less digits than its factorization.

112020221220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47056.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112020221220121 its reverse (121022122020211), we get a palindrome (233042343240332).

The spelling of 112020221220121 in words is "one hundred twelve trillion, twenty billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty-one".