202121201112 has 16 divisors (see below), whose sum is σ = 505303002840. Its totient is φ = 67373733696.

The previous prime is 202121201099. The next prime is 202121201159. The reversal of 202121201112 is 211102121202.

202121201112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202121201091 and 202121201100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4210858333 + ... + 4210858380.

Almost surely, 2^202121201112 is an apocalyptic number.

It is an amenable number.

202121201112 is an abundant number, since it is smaller than the sum of its proper divisors (303181801728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202121201112 is a wasteful number, since it uses less digits than its factorization.

202121201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8421716722 (or 8421716718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202121201112 its reverse (211102121202), we get a palindrome (413223322314).

The spelling of 202121201112 in words is "two hundred two billion, one hundred twenty-one million, two hundred one thousand, one hundred twelve".