103103321221 has 8 divisors (see below), whose sum is σ = 104870124000. Its totient is φ = 101337161520.

The previous prime is 103103321117. The next prime is 103103321249. The reversal of 103103321221 is 122123301301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103103321221 - 2¹⁷ = 103103190149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103103321281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168355 + ... + 484303.

It is an arithmetic number, because the mean of its divisors is an integer number (13108765500).

Almost surely, 2^103103321221 is an apocalyptic number.

It is an amenable number.

103103321221 is a deficient number, since it is larger than the sum of its proper divisors (1766802779).

103103321221 is an equidigital number, since it uses as much as digits as its factorization.

103103321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321539.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103103321221 its reverse (122123301301), we get a palindrome (225226622522).

The spelling of 103103321221 in words is "one hundred three billion, one hundred three million, three hundred twenty-one thousand, two hundred twenty-one".