2011221341 has 4 divisors (see below), whose sum is σ = 2012856384. Its totient is φ = 2009586300.

The previous prime is 2011221293. The next prime is 2011221353. The reversal of 2011221341 is 1431221102.

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 2011221341 - 2¹⁰ = 2011220317 is a prime.

It is a super-2 number, since 2×2011221341² = 8090022564987676562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011221841) 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 3 ways as a sum of consecutive naturals, for example, 815675 + ... + 818136.

It is an arithmetic number, because the mean of its divisors is an integer number (503214096).

Almost surely, 2^2011221341 is an apocalyptic number.

It is an amenable number.

2011221341 is a deficient number, since it is larger than the sum of its proper divisors (1635043).

2011221341 is a wasteful number, since it uses less digits than its factorization.

2011221341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635042.

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

The square root of 2011221341 is about 44846.6424718730. The cubic root of 2011221341 is about 1262.2729906646.

Adding to 2011221341 its reverse (1431221102), we get a palindrome (3442442443).

The spelling of 2011221341 in words is "two billion, eleven million, two hundred twenty-one thousand, three hundred forty-one".