2011273011 has 30 divisors (see below), whose sum is σ = 3302476716. Its totient is φ = 1218947400.

The previous prime is 2011273001. The next prime is 2011273027. The reversal of 2011273011 is 1103721102.

It is a happy number.

It is not a de Polignac number, because 2011273011 - 2⁶ = 2011272947 is a prime.

It is a super-2 number, since 2×2011273011² = 8090438249554012242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011273001) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 92805 + ... + 112406.

Almost surely, 2^2011273011 is an apocalyptic number.

2011273011 is a deficient number, since it is larger than the sum of its proper divisors (1291203705).

2011273011 is a wasteful number, since it uses less digits than its factorization.

2011273011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205245 (or 205225 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 2011273011 is about 44847.2185425139. The cubic root of 2011273011 is about 1262.2838001970.

Adding to 2011273011 its reverse (1103721102), we get a palindrome (3114994113).

The spelling of 2011273011 in words is "two billion, eleven million, two hundred seventy-three thousand, eleven".