2021212110212 has 24 divisors (see below), whose sum is σ = 3843391453440. Its totient is φ = 926531866080.

The previous prime is 2021212110161. The next prime is 2021212110257. The reversal of 2021212110212 is 2120112121202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428947583 + ... + 428952294.

It is an arithmetic number, because the mean of its divisors is an integer number (160141310560).

Almost surely, 2^{2021212110212} is an apocalyptic number.

It is an amenable number.

2021212110212 is a deficient number, since it is larger than the sum of its proper divisors (1822179343228).

2021212110212 is a wasteful number, since it uses less digits than its factorization.

2021212110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857899931 (or 857899929 counting only the distinct ones).

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

Adding to 2021212110212 its reverse (2120112121202), we get a palindrome (4141324231414).

The spelling of 2021212110212 in words is "two trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, two hundred twelve".