105220103 has 2 divisors, whose sum is σ = 105220104. Its totient is φ = 105220102.

The previous prime is 105220079. The next prime is 105220111. The reversal of 105220103 is 301022501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105220103 - 2¹⁸ = 104957959 is a prime.

It is a super-2 number, since 2×105220103² = 22142540150661218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105220133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52610051 + 52610052.

It is an arithmetic number, because the mean of its divisors is an integer number (52610052).

Almost surely, 2^105220103 is an apocalyptic number.

105220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

105220103 is an equidigital number, since it uses as much as digits as its factorization.

105220103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 105220103 is about 10257.6850702291. The cubic root of 105220103 is about 472.0988119636.

Adding to 105220103 its reverse (301022501), we get a palindrome (406242604).

The spelling of 105220103 in words is "one hundred five million, two hundred twenty thousand, one hundred three".