2021122101212 has 6 divisors (see below), whose sum is σ = 3536963677128. Its totient is φ = 1010561050604.

The previous prime is 2021122101199. The next prime is 2021122101233. The reversal of 2021122101212 is 2121012211202.

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 as a sum of consecutive naturals, namely, 252640262648 + ... + 252640262655.

It is an arithmetic number, because the mean of its divisors is an integer number (589493946188).

Almost surely, 2^{2021122101212} is an apocalyptic number.

It is an amenable number.

2021122101212 is a deficient number, since it is larger than the sum of its proper divisors (1515841575916).

2021122101212 is a wasteful number, since it uses less digits than its factorization.

2021122101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505280525307 (or 505280525305 counting only the distinct ones).

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

Adding to 2021122101212 its reverse (2121012211202), we get a palindrome (4142134312414).

The spelling of 2021122101212 in words is "two trillion, twenty-one billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".