2000001011 has 4 divisors (see below), whose sum is σ = 2042554272. Its totient is φ = 1957447752.

The previous prime is 2000001001. The next prime is 2000001013. The reversal of 2000001011 is 1101000002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000001011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000000986 and 2000001004.

It is not an unprimeable number, because it can be changed into a prime (2000001013) 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, 21276560 + ... + 21276653.

It is an arithmetic number, because the mean of its divisors is an integer number (510638568).

Almost surely, 2^2000001011 is an apocalyptic number.

2000001011 is a deficient number, since it is larger than the sum of its proper divisors (42553261).

2000001011 is an equidigital number, since it uses as much as digits as its factorization.

2000001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42553260.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 2000001011 is about 44721.3708533180. The cubic root of 2000001011 is about 1259.9212621915.

Adding to 2000001011 its reverse (1101000002), we get a palindrome (3101001013).

The spelling of 2000001011 in words is "two billion, one thousand, eleven".