2021133112212 has 24 divisors (see below), whose sum is σ = 4727856308896. Its totient is φ = 672014030688.

The previous prime is 2021133112211. The next prime is 2021133112217. The reversal of 2021133112212 is 2122113311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021133112211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 212120878 + ... + 212130405.

Almost surely, 2^{2021133112212} is an apocalyptic number.

It is an amenable number.

2021133112212 is an abundant number, since it is smaller than the sum of its proper divisors (2706723196684).

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

2021133112212 is a wasteful number, since it uses less digits than its factorization.

2021133112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424251687 (or 424251685 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2021133112212 its reverse (2122113311202), we get a palindrome (4143246423414).

The spelling of 2021133112212 in words is "two trillion, twenty-one billion, one hundred thirty-three million, one hundred twelve thousand, two hundred twelve".