2012021011 has 64 divisors (see below), whose sum is σ = 2785821696. Its totient is φ = 1402790400.

The previous prime is 2012020991. The next prime is 2012021021. The reversal of 2012021011 is 1101202102.

2012021011 = 3234² + 3235² + ... + 3415².

It is not a de Polignac number, because 2012021011 - 2⁷ = 2012020883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012021021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5067865 + ... + 5068261.

It is an arithmetic number, because the mean of its divisors is an integer number (43528464).

Almost surely, 2^2012021011 is an apocalyptic number.

2012021011 is a deficient number, since it is larger than the sum of its proper divisors (773800685).

2012021011 is a wasteful number, since it uses less digits than its factorization.

2012021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2012021011 is about 44855.5571919467. The cubic root of 2012021011 is about 1262.4402635004.

Adding to 2012021011 its reverse (1101202102), we get a palindrome (3113223113).

It can be divided in two parts, 201202101 and 1, that added together give a palindrome (201202102).

The spelling of 2012021011 in words is "two billion, twelve million, twenty-one thousand, eleven".