2011213201843 has 2 divisors, whose sum is σ = 2011213201844. Its totient is φ = 2011213201842.

The previous prime is 2011213201841. The next prime is 2011213201883. The reversal of 2011213201843 is 3481023121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011213201843 - 2¹ = 2011213201841 is a prime.

Together with 2011213201841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2011213201841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005606600921 + 1005606600922.

It is an arithmetic number, because the mean of its divisors is an integer number (1005606600922).

Almost surely, 2^{2011213201843} is an apocalyptic number.

2011213201843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011213201843 is an equidigital number, since it uses as much as digits as its factorization.

2011213201843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 2011213201843 its reverse (3481023121102), we get a palindrome (5492236322945).

The spelling of 2011213201843 in words is "two trillion, eleven billion, two hundred thirteen million, two hundred one thousand, eight hundred forty-three".