112020112211121 has 6 divisors (see below), whose sum is σ = 161806828749410. Its totient is φ = 74680074807408.

The previous prime is 112020112211113. The next prime is 112020112211123. The reversal of 112020112211121 is 121112211020211.

It is a happy number.

112020112211121 is a `hidden beast` number, since 1 + 120 + 201 + 1 + 221 + 1 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111969433196721 + 50679014400 = 10581561^2 + 225120^2 .

It is not a de Polignac number, because 112020112211121 - 2³ = 112020112211113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112020112211094 and 112020112211103.

It is not an unprimeable number, because it can be changed into a prime (112020112211123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6223339567276 + ... + 6223339567293.

Almost surely, 2^{112020112211121} is an apocalyptic number.

It is an amenable number.

112020112211121 is a deficient number, since it is larger than the sum of its proper divisors (49786716538289).

112020112211121 is a wasteful number, since it uses less digits than its factorization.

112020112211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12446679134575 (or 12446679134572 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112020112211121 its reverse (121112211020211), we get a palindrome (233132323231332).

The spelling of 112020112211121 in words is "one hundred twelve trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty-one".