103301221 has 4 divisors (see below), whose sum is σ = 103321612. Its totient is φ = 103280832.

The previous prime is 103301189. The next prime is 103301227. The reversal of 103301221 is 122103301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6180196 + 97121025 = 2486^2 + 9855^2 .

It is a cyclic number.

It is not a de Polignac number, because 103301221 - 2⁵ = 103301189 is a prime.

It is a super-2 number, since 2×103301221² = 21342284520181682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103301227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3901 + ... + 14893.

It is an arithmetic number, because the mean of its divisors is an integer number (25830403).

Almost surely, 2^103301221 is an apocalyptic number.

It is an amenable number.

103301221 is a deficient number, since it is larger than the sum of its proper divisors (20391).

103301221 is an equidigital number, since it uses as much as digits as its factorization.

103301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20390.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103301221 is about 10163.7208245799. The cubic root of 103301221 is about 469.2113240634.

Adding to 103301221 its reverse (122103301), we get a palindrome (225404522).

The spelling of 103301221 in words is "one hundred three million, three hundred one thousand, two hundred twenty-one".