2021020202112 has 64 divisors (see below), whose sum is σ = 5376710504160. Its totient is φ = 672622346240.

The previous prime is 2021020202081. The next prime is 2021020202119. The reversal of 2021020202112 is 2112020201202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2021020202091 and 2021020202100.

It is not an unprimeable number, because it can be changed into a prime (2021020202119) 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, 3859218 + ... + 4351505.

Almost surely, 2^{2021020202112} is an apocalyptic number.

It is an amenable number.

2021020202112 is an abundant number, since it is smaller than the sum of its proper divisors (3355690302048).

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

2021020202112 is an equidigital number, since it uses as much as digits as its factorization.

2021020202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211381 (or 8211369 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021020202112 its reverse (2112020201202), we get a palindrome (4133040403314).

The spelling of 2021020202112 in words is "two trillion, twenty-one billion, twenty million, two hundred two thousand, one hundred twelve".