221300132213 has 2 divisors, whose sum is σ = 221300132214. Its totient is φ = 221300132212.

The previous prime is 221300132203. The next prime is 221300132267. The reversal of 221300132213 is 312231003122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196211789764 + 25088342449 = 442958^2 + 158393^2 .

It is a cyclic number.

It is not a de Polignac number, because 221300132213 - 2¹⁸ = 221299870069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221300132203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650066106 + 110650066107.

It is an arithmetic number, because the mean of its divisors is an integer number (110650066107).

Almost surely, 2^221300132213 is an apocalyptic number.

It is an amenable number.

221300132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

221300132213 is an equidigital number, since it uses as much as digits as its factorization.

221300132213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221300132213 its reverse (312231003122), we get a palindrome (533531135335).

The spelling of 221300132213 in words is "two hundred twenty-one billion, three hundred million, one hundred thirty-two thousand, two hundred thirteen".