2021122021112 has 32 divisors (see below), whose sum is σ = 3952177461120. Its totient is φ = 967880171520.

The previous prime is 2021122021099. The next prime is 2021122021129. The reversal of 2021122021112 is 2111202211202.

It is a congruent number.

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, 41984633 + ... + 42032744.

It is an arithmetic number, because the mean of its divisors is an integer number (123505545660).

Almost surely, 2^{2021122021112} is an apocalyptic number.

It is an amenable number.

2021122021112 is a deficient number, since it is larger than the sum of its proper divisors (1931055440008).

2021122021112 is a wasteful number, since it uses less digits than its factorization.

2021122021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84017511 (or 84017507 counting only the distinct ones).

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

Adding to 2021122021112 its reverse (2111202211202), we get a palindrome (4132324232314).

The spelling of 2021122021112 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".