2011023221213 has 2 divisors, whose sum is σ = 2011023221214. Its totient is φ = 2011023221212.

The previous prime is 2011023221201. The next prime is 2011023221279. The reversal of 2011023221213 is 3121223201102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1043343759364 + 967679461849 = 1021442^2 + 983707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011023221213 - 2²⁶ = 2010956112349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011023221293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005511610606 + 1005511610607.

It is an arithmetic number, because the mean of its divisors is an integer number (1005511610607).

Almost surely, 2^{2011023221213} is an apocalyptic number.

It is an amenable number.

2011023221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011023221213 is an equidigital number, since it uses as much as digits as its factorization.

2011023221213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2011023221213 its reverse (3121223201102), we get a palindrome (5132246422315).

The spelling of 2011023221213 in words is "two trillion, eleven billion, twenty-three million, two hundred twenty-one thousand, two hundred thirteen".