201020202101112 has 32 divisors (see below), whose sum is σ = 502551143171280. Its totient is φ = 67006648977920.

The previous prime is 201020202101111. The next prime is 201020202101137. The reversal of 201020202101112 is 211101202020102.

It is a junction number, because it is equal to n+sod(n) for n = 201020202101091 and 201020202101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020202101111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15676912 + ... + 25452032.

Almost surely, 2^{201020202101112} is an apocalyptic number.

It is an amenable number.

201020202101112 is an abundant number, since it is smaller than the sum of its proper divisors (301530941070168).

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

201020202101112 is a wasteful number, since it uses less digits than its factorization.

201020202101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10631983 (or 10631979 counting only the distinct ones).

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

Adding to 201020202101112 its reverse (211101202020102), we get a palindrome (412121404121214).

The spelling of 201020202101112 in words is "two hundred one trillion, twenty billion, two hundred two million, one hundred one thousand, one hundred twelve".