2112020444 has 12 divisors (see below), whose sum is σ = 3742821600. Its totient is φ = 1042642848.

The previous prime is 2112020441. The next prime is 2112020453. The reversal of 2112020444 is 4440202112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112020441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3341489 + ... + 3342120.

It is an arithmetic number, because the mean of its divisors is an integer number (311901800).

Almost surely, 2^2112020444 is an apocalyptic number.

It is an amenable number.

2112020444 is a deficient number, since it is larger than the sum of its proper divisors (1630801156).

2112020444 is a wasteful number, since it uses less digits than its factorization.

2112020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683692 (or 6683690 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2112020444 is about 45956.7235994909. The cubic root of 2112020444 is about 1283.0178718102.

Adding to 2112020444 its reverse (4440202112), we get a palindrome (6552222556).

The spelling of 2112020444 in words is "two billion, one hundred twelve million, twenty thousand, four hundred forty-four".