221310133120103 has 2 divisors, whose sum is σ = 221310133120104. Its totient is φ = 221310133120102.

The previous prime is 221310133120093. The next prime is 221310133120151. The reversal of 221310133120103 is 301021331013122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221310133120103 - 2¹⁶ = 221310133054567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221310133128103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110655066560051 + 110655066560052.

It is an arithmetic number, because the mean of its divisors is an integer number (110655066560052).

Almost surely, 2^{221310133120103} is an apocalyptic number.

221310133120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221310133120103 is an equidigital number, since it uses as much as digits as its factorization.

221310133120103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 221310133120103 its reverse (301021331013122), we get a palindrome (522331464133225).

The spelling of 221310133120103 in words is "two hundred twenty-one trillion, three hundred ten billion, one hundred thirty-three million, one hundred twenty thousand, one hundred three".