221022313103 has 2 divisors, whose sum is σ = 221022313104. Its totient is φ = 221022313102.

The previous prime is 221022313097. The next prime is 221022313123. The reversal of 221022313103 is 301313220122.

It is an a-pointer prime, because the next prime (221022313123) can be obtained adding 221022313103 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221022313103 - 2²⁴ = 221005535887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221022313123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110511156551 + 110511156552.

It is an arithmetic number, because the mean of its divisors is an integer number (110511156552).

Almost surely, 2^221022313103 is an apocalyptic number.

221022313103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221022313103 is an equidigital number, since it uses as much as digits as its factorization.

221022313103 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 221022313103 its reverse (301313220122), we get a palindrome (522335533225).

The spelling of 221022313103 in words is "two hundred twenty-one billion, twenty-two million, three hundred thirteen thousand, one hundred three".