2112021122012 has 12 divisors (see below), whose sum is σ = 3697447144776. Its totient is φ = 1055607652080.

The previous prime is 2112021122009. The next prime is 2112021122023. The reversal of 2112021122012 is 2102211202112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100715438 + ... + 100736405.

It is an arithmetic number, because the mean of its divisors is an integer number (308120595398).

Almost surely, 2^{2112021122012} is an apocalyptic number.

It is an amenable number.

2112021122012 is a deficient number, since it is larger than the sum of its proper divisors (1585426022764).

2112021122012 is a wasteful number, since it uses less digits than its factorization.

2112021122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201454468 (or 201454466 counting only the distinct ones).

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

Adding to 2112021122012 its reverse (2102211202112), we get a palindrome (4214232324124).

The spelling of 2112021122012 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, twelve".