2012011011 has 12 divisors (see below), whose sum is σ = 2999988160. Its totient is φ = 1298071440.

The previous prime is 2012011003. The next prime is 2012011021. The reversal of 2012011011 is 1101102102.

It is a happy number.

It is not a de Polignac number, because 2012011011 - 2³ = 2012011003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012010984 and 2012011002.

It is not an unprimeable number, because it can be changed into a prime (2012011021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3605476 + ... + 3606033.

Almost surely, 2^2012011011 is an apocalyptic number.

2012011011 is a deficient number, since it is larger than the sum of its proper divisors (987977149).

2012011011 is a wasteful number, since it uses less digits than its factorization.

2012011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211546 (or 7211543 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2012011011 is about 44855.4457228997. The cubic root of 2012011011 is about 1262.4381720008.

Adding to 2012011011 its reverse (1101102102), we get a palindrome (3113113113).

The spelling of 2012011011 in words is "two billion, twelve million, eleven thousand, eleven".