112102112020221 has 48 divisors (see below), whose sum is σ = 175354102123200. Its totient is φ = 70770656497248.

The previous prime is 112102112020219. The next prime is 112102112020243. The reversal of 112102112020221 is 122020211201211.

112102112020221 is a `hidden beast` number, since 1 + 1 + 210 + 211 + 2 + 0 + 20 + 221 = 666.

It is not a de Polignac number, because 112102112020221 - 2¹ = 112102112020219 is a prime.

It is a super-2 number, since 2×112102112020221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112102112020194 and 112102112020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102112020211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20015310 + ... + 24996336.

It is an arithmetic number, because the mean of its divisors is an integer number (3653210460900).

Almost surely, 2^{112102112020221} is an apocalyptic number.

It is an amenable number.

112102112020221 is a deficient number, since it is larger than the sum of its proper divisors (63251990102979).

112102112020221 is a wasteful number, since it uses less digits than its factorization.

112102112020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983383 (or 4983358 counting only the distinct ones).

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

Adding to 112102112020221 its reverse (122020211201211), we get a palindrome (234122323221432).

The spelling of 112102112020221 in words is "one hundred twelve trillion, one hundred two billion, one hundred twelve million, twenty thousand, two hundred twenty-one".