2011212341 has 4 divisors (see below), whose sum is σ = 2013768672. Its totient is φ = 2008656012.

The previous prime is 2011212311. The next prime is 2011212349. The reversal of 2011212341 is 1432121102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011212341 - 2¹⁰ = 2011211317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011212349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276985 + ... + 1278558.

It is an arithmetic number, because the mean of its divisors is an integer number (503442168).

Almost surely, 2^2011212341 is an apocalyptic number.

It is an amenable number.

2011212341 is a deficient number, since it is larger than the sum of its proper divisors (2556331).

2011212341 is an equidigital number, since it uses as much as digits as its factorization.

2011212341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556330.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2011212341 is about 44846.5421298008. The cubic root of 2011212341 is about 1262.2711078163.

Adding to 2011212341 its reverse (1432121102), we get a palindrome (3443333443).

The spelling of 2011212341 in words is "two billion, eleven million, two hundred twelve thousand, three hundred forty-one".