2001111016 has 16 divisors (see below), whose sum is σ = 3768912000. Its totient is φ = 996067824.

The previous prime is 2001110999. The next prime is 2001111017. The reversal of 2001111016 is 6101111002.

It is a junction number, because it is equal to n+sod(n) for n = 2001110987 and 2001111005.

It is not an unprimeable number, because it can be changed into a prime (2001111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559066 + ... + 562633.

It is an arithmetic number, because the mean of its divisors is an integer number (235557000).

Almost surely, 2^2001111016 is an apocalyptic number.

It is an amenable number.

2001111016 is a deficient number, since it is larger than the sum of its proper divisors (1767800984).

2001111016 is a wasteful number, since it uses less digits than its factorization.

2001111016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121928 (or 1121924 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2001111016 is about 44733.7793619095. The cubic root of 2001111016 is about 1260.1543054493.

Adding to 2001111016 its reverse (6101111002), we get a palindrome (8102222018).

The spelling of 2001111016 in words is "two billion, one million, one hundred eleven thousand, sixteen".