213244443011 has 2 divisors, whose sum is σ = 213244443012. Its totient is φ = 213244443010.

The previous prime is 213244442981. The next prime is 213244443037. The reversal of 213244443011 is 110344442312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213244443011 - 2¹⁴ = 213244426627 is a prime.

It is a super-2 number, since 2×213244443011² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213244443911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106622221505 + 106622221506.

It is an arithmetic number, because the mean of its divisors is an integer number (106622221506).

Almost surely, 2^213244443011 is an apocalyptic number.

213244443011 is a deficient number, since it is larger than the sum of its proper divisors (1).

213244443011 is an equidigital number, since it uses as much as digits as its factorization.

213244443011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 213244443011 its reverse (110344442312), we get a palindrome (323588885323).

The spelling of 213244443011 in words is "two hundred thirteen billion, two hundred forty-four million, four hundred forty-three thousand, eleven".