2012001011 has 4 divisors (see below), whose sum is σ = 2012152392. Its totient is φ = 2011849632.

The previous prime is 2012001007. The next prime is 2012001023. The reversal of 2012001011 is 1101002102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012001011 - 2² = 2012001007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012001011.

It is not an unprimeable number, because it can be changed into a prime (2012001041) 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, 53606 + ... + 83051.

It is an arithmetic number, because the mean of its divisors is an integer number (503038098).

Almost surely, 2^2012001011 is an apocalyptic number.

2012001011 is a deficient number, since it is larger than the sum of its proper divisors (151381).

2012001011 is a wasteful number, since it uses less digits than its factorization.

2012001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151380.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2012001011 is about 44855.3342535757. The cubic root of 2012001011 is about 1262.4360804942.

Adding to 2012001011 its reverse (1101002102), we get a palindrome (3113003113).

The spelling of 2012001011 in words is "two billion, twelve million, one thousand, eleven".