2021222002112 has 28 divisors (see below), whose sum is σ = 4011834323280. Its totient is φ = 1010366109696.

The previous prime is 2021222002099. The next prime is 2021222002141. The reversal of 2021222002112 is 2112002221202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560108 + ... + 4088619.

It is an arithmetic number, because the mean of its divisors is an integer number (143279797260).

Almost surely, 2^{2021222002112} is an apocalyptic number.

It is an amenable number.

2021222002112 is a deficient number, since it is larger than the sum of its proper divisors (1990612321168).

2021222002112 is an equidigital number, since it uses as much as digits as its factorization.

2021222002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652868 (or 7652858 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021222002112 its reverse (2112002221202), we get a palindrome (4133224223314).

The spelling of 2021222002112 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two thousand, one hundred twelve".