221022220103 has 2 divisors, whose sum is σ = 221022220104. Its totient is φ = 221022220102.

The previous prime is 221022220099. The next prime is 221022220109. The reversal of 221022220103 is 301022220122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221022220103 - 2² = 221022220099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221022220109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110511110051 + 110511110052.

It is an arithmetic number, because the mean of its divisors is an integer number (110511110052).

Almost surely, 2^221022220103 is an apocalyptic number.

221022220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221022220103 is an equidigital number, since it uses as much as digits as its factorization.

221022220103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221022220103 its reverse (301022220122), we get a palindrome (522044440225).

The spelling of 221022220103 in words is "two hundred twenty-one billion, twenty-two million, two hundred twenty thousand, one hundred three".