2012101211 has 4 divisors (see below), whose sum is σ = 2014810032. Its totient is φ = 2009392392.

The previous prime is 2012101183. The next prime is 2012101237. The reversal of 2012101211 is 1121012102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012101211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012101192 and 2012101201.

It is not an unprimeable number, because it can be changed into a prime (2012101271) 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, 1353296 + ... + 1354781.

It is an arithmetic number, because the mean of its divisors is an integer number (503702508).

Almost surely, 2^2012101211 is an apocalyptic number.

2012101211 is a deficient number, since it is larger than the sum of its proper divisors (2708821).

2012101211 is an equidigital number, since it uses as much as digits as its factorization.

2012101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708820.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2012101211 is about 44856.4511636844. The cubic root of 2012101211 is about 1262.4570370767.

Adding to 2012101211 its reverse (1121012102), we get a palindrome (3133113313).

The spelling of 2012101211 in words is "two billion, twelve million, one hundred one thousand, two hundred eleven".