2001011011 has 8 divisors (see below), whose sum is σ = 2106812880. Its totient is φ = 1895257728.

The previous prime is 2001011003. The next prime is 2001011029. The reversal of 2001011011 is 1101101002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001011011 - 2³ = 2001011003 is a prime.

It is a super-2 number, since 2×2001011011² = 8008090132286484242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001010985 and 2001011003.

It is not an unprimeable number, because it can be changed into a prime (2001011711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98175 + ... + 116791.

It is an arithmetic number, because the mean of its divisors is an integer number (263351610).

Almost surely, 2^2001011011 is an apocalyptic number.

2001011011 is a deficient number, since it is larger than the sum of its proper divisors (105801869).

2001011011 is a wasteful number, since it uses less digits than its factorization.

2001011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24293.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 2001011011 is about 44732.6615684781. The cubic root of 2001011011 is about 1260.1333131389.

Adding to 2001011011 its reverse (1101101002), we get a palindrome (3102112013).

The spelling of 2001011011 in words is "two billion, one million, eleven thousand, eleven".