2001116 has 24 divisors (see below), whose sum is σ = 3904320. Its totient is φ = 891072.

The previous prime is 2001101. The next prime is 2001127. The reversal of 2001116 is 6111002.

It is a junction number, because it is equal to n+sod(n) for n = 2001097 and 2001106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (162680).

2^2001116 is an apocalyptic number.

2001116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2001116 is a deficient number, since it is larger than the sum of its proper divisors (1903204).

2001116 is a wasteful number, since it uses less digits than its factorization.

2001116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2001116 is about 1414.6080729304. The cubic root of 2001116 is about 126.0155351635.

Adding to 2001116 its reverse (6111002), we get a palindrome (8112118).

The spelling of 2001116 in words is "two million, one thousand, one hundred sixteen".