103003323221 has 4 divisors (see below), whose sum is σ = 109062342252. Its totient is φ = 96944304192.

The previous prime is 103003323193. The next prime is 103003323251. The reversal of 103003323221 is 122323300301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122323300301 = 17 ⋅7195488253.

It can be written as a sum of positive squares in 2 ways, for example, as 61023820900 + 41979502321 = 247030^2 + 204889^2 .

It is a cyclic number.

It is not a de Polignac number, because 103003323221 - 2¹⁴ = 103003306837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103003323193 and 103003323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003323251) 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, 3029509490 + ... + 3029509523.

It is an arithmetic number, because the mean of its divisors is an integer number (27265585563).

Almost surely, 2^103003323221 is an apocalyptic number.

It is an amenable number.

103003323221 is a deficient number, since it is larger than the sum of its proper divisors (6059019031).

103003323221 is an equidigital number, since it uses as much as digits as its factorization.

103003323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059019030.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 103003323221 its reverse (122323300301), we get a palindrome (225326623522).

The spelling of 103003323221 in words is "one hundred three billion, three million, three hundred twenty-three thousand, two hundred twenty-one".