2001322112 has 32 divisors (see below), whose sum is σ = 3992275920. Its totient is φ = 999339264.

The previous prime is 2001322109. The next prime is 2001322121. The reversal of 2001322112 is 2112231002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 90803 + ... + 110669.

Almost surely, 2^2001322112 is an apocalyptic number.

It is an amenable number.

2001322112 is a deficient number, since it is larger than the sum of its proper divisors (1990953808).

2001322112 is an equidigital number, since it uses as much as digits as its factorization.

2001322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668 (or 20656 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2001322112 is about 44736.1387694557. The cubic root of 2001322112 is about 1260.1986148650.

Adding to 2001322112 its reverse (2112231002), we get a palindrome (4113553114).

The spelling of 2001322112 in words is "two billion, one million, three hundred twenty-two thousand, one hundred twelve".