112012122020121 has 24 divisors (see below), whose sum is σ = 161945239974336. Its totient is φ = 74605556273760.

The previous prime is 112012122020107. The next prime is 112012122020167. The reversal of 112012122020121 is 121020221210211.

112012122020121 is a `hidden beast` number, since 1 + 1 + 201 + 21 + 220 + 201 + 21 = 666.

It is not a de Polignac number, because 112012122020121 - 2¹⁰ = 112012122019097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112012122020094 and 112012122020103.

It is not an unprimeable number, because it can be changed into a prime (112012122020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78074311 + ... + 79496051.

It is an arithmetic number, because the mean of its divisors is an integer number (6747718332264).

Almost surely, 2^{112012122020121} is an apocalyptic number.

It is an amenable number.

112012122020121 is a deficient number, since it is larger than the sum of its proper divisors (49933117954215).

112012122020121 is a wasteful number, since it uses less digits than its factorization.

112012122020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429853 (or 1429850 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112012122020121 its reverse (121020221210211), we get a palindrome (233032343230332).

The spelling of 112012122020121 in words is "one hundred twelve trillion, twelve billion, one hundred twenty-two million, twenty thousand, one hundred twenty-one".