213221011307 has 2 divisors, whose sum is σ = 213221011308. Its totient is φ = 213221011306.

The previous prime is 213221011261. The next prime is 213221011313. The reversal of 213221011307 is 703110122312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213221011307 - 2⁸ = 213221011051 is a prime.

It is not a weakly prime, because it can be changed into another prime (213221011337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610505653 + 106610505654.

It is an arithmetic number, because the mean of its divisors is an integer number (106610505654).

Almost surely, 2^213221011307 is an apocalyptic number.

213221011307 is a deficient number, since it is larger than the sum of its proper divisors (1).

213221011307 is an equidigital number, since it uses as much as digits as its factorization.

213221011307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 213221011307 its reverse (703110122312), we get a palindrome (916331133619).

The spelling of 213221011307 in words is "two hundred thirteen billion, two hundred twenty-one million, eleven thousand, three hundred seven".