2011001002 has 16 divisors (see below), whose sum is σ = 3180166560. Its totient is φ = 951108912.

The previous prime is 2011000963. The next prime is 2011001033. The reversal of 2011001002 is 2001001102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15708 + ... + 65335.

It is an arithmetic number, because the mean of its divisors is an integer number (198760410).

Almost surely, 2^2011001002 is an apocalyptic number.

2011001002 is a deficient number, since it is larger than the sum of its proper divisors (1169165558).

2011001002 is a wasteful number, since it uses less digits than its factorization.

2011001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81717.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2011001002 is about 44844.1858215756. The cubic root of 2011001002 is about 1262.2268929494.

Adding to 2011001002 its reverse (2001001102), we get a palindrome (4012002104).

The spelling of 2011001002 in words is "two billion, eleven million, one thousand, two".