2021210212112 has 80 divisors (see below), whose sum is σ = 5073483192960. Its totient is φ = 757515442176.

The previous prime is 2021210212039. The next prime is 2021210212121. The reversal of 2021210212112 is 2112120121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36503753 + ... + 36559080.

It is an arithmetic number, because the mean of its divisors is an integer number (63418539912).

Almost surely, 2^{2021210212112} is an apocalyptic number.

It is an amenable number.

2021210212112 is an abundant number, since it is smaller than the sum of its proper divisors (3052272980848).

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

2021210212112 is a wasteful number, since it uses less digits than its factorization.

2021210212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73062880 (or 73062874 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2021210212112 its reverse (2112120121202), we get a palindrome (4133330333314).

It can be divided in two parts, 2021210 and 212112, that added together give a palindrome (2233322).

The spelling of 2021210212112 in words is "two trillion, twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred twelve".