221110222103 has 2 divisors, whose sum is σ = 221110222104. Its totient is φ = 221110222102.

The previous prime is 221110222063. The next prime is 221110222111. The reversal of 221110222103 is 301222011122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221110222103 - 2⁸ = 221110221847 is a prime.

It is a super-3 number, since 3×221110222103³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221110222133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555111051 + 110555111052.

It is an arithmetic number, because the mean of its divisors is an integer number (110555111052).

Almost surely, 2^221110222103 is an apocalyptic number.

221110222103 is a deficient number, since it is larger than the sum of its proper divisors (1).

221110222103 is an equidigital number, since it uses as much as digits as its factorization.

221110222103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221110222103 its reverse (301222011122), we get a palindrome (522332233225).

The spelling of 221110222103 in words is "two hundred twenty-one billion, one hundred ten million, two hundred twenty-two thousand, one hundred three".