112020021121 has 16 divisors (see below), whose sum is σ = 116518032000. Its totient is φ = 107564865408.

The previous prime is 112020021073. The next prime is 112020021151. The reversal of 112020021121 is 121120020211.

It is a cyclic number.

It is not a de Polignac number, because 112020021121 - 2²⁹ = 111483150209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020021151) 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, 24334006 + ... + 24338608.

It is an arithmetic number, because the mean of its divisors is an integer number (7282377000).

Almost surely, 2^112020021121 is an apocalyptic number.

It is an amenable number.

112020021121 is a deficient number, since it is larger than the sum of its proper divisors (4498010879).

112020021121 is a wasteful number, since it uses less digits than its factorization.

112020021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112020021121 its reverse (121120020211), we get a palindrome (233140041332).

The spelling of 112020021121 in words is "one hundred twelve billion, twenty million, twenty-one thousand, one hundred twenty-one".