2011010011 has 4 divisors (see below), whose sum is σ = 2011208112.
Its totient is φ = 2010811912.
The previous prime is 2011009999. The next prime is 2011010033. The reversal of 2011010011 is 1100101102.
Adding to 2011010011 its reverse (1100101102), we get a palindrome (3111111113).
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 2011010011 - 217 = 2010878939 is a prime.
It is a super-2 number, since 2×20110100112 = 8088322528684440242, 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 = 2011009976 and 2011010003.
It is not an unprimeable number, because it can be changed into a prime (2011010411) 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, 82951 + ... + 104416.
It is an arithmetic number, because the mean of its divisors is an integer number (502802028).
Almost surely, 22011010011 is an apocalyptic number.
2011010011 is a deficient number, since it is larger than the sum of its proper divisors (198101).
2011010011 is a wasteful number, since it uses less digits than its factorization.
2011010011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198100.
The product of its (nonzero) digits is 2, while the sum is 7.
The square root of 2011010011 is about 44844.2862692673.
The cubic root of 2011010011 is about 1262.2287778126.
The spelling of 2011010011 in words is "two billion, eleven million, ten thousand, eleven".