20210220021112 has 16 divisors (see below), whose sum is σ = 41339086407000. Its totient is φ = 9186463645920.

The previous prime is 20210220021049. The next prime is 20210220021133. The reversal of 20210220021112 is 21112002201202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114830795487 + ... + 114830795662.

Almost surely, 2^{20210220021112} is an apocalyptic number.

20210220021112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20210220021112 is an abundant number, since it is smaller than the sum of its proper divisors (21128866385888).

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

20210220021112 is a wasteful number, since it uses less digits than its factorization.

20210220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229661591166 (or 229661591162 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20210220021112 its reverse (21112002201202), we get a palindrome (41322222222314).

The spelling of 20210220021112 in words is "twenty trillion, two hundred ten billion, two hundred twenty million, twenty-one thousand, one hundred twelve".