213220223011 has 2 divisors, whose sum is σ = 213220223012. Its totient is φ = 213220223010.

The previous prime is 213220223009. The next prime is 213220223023. The reversal of 213220223011 is 110322022312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213220223011 - 2¹ = 213220223009 is a prime.

It is a super-2 number, since 2×213220223011² (a number of 23 digits) contains 22 as substring.

Together with 213220223009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213220223011.

It is not a weakly prime, because it can be changed into another prime (213220223311) 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 as a sum of consecutive naturals, namely, 106610111505 + 106610111506.

It is an arithmetic number, because the mean of its divisors is an integer number (106610111506).

Almost surely, 2^213220223011 is an apocalyptic number.

213220223011 is a deficient number, since it is larger than the sum of its proper divisors (1).

213220223011 is an equidigital number, since it uses as much as digits as its factorization.

213220223011 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 19.

Adding to 213220223011 its reverse (110322022312), we get a palindrome (323542245323).

The spelling of 213220223011 in words is "two hundred thirteen billion, two hundred twenty million, two hundred twenty-three thousand, eleven".