103421301221 has 16 divisors (see below), whose sum is σ = 118718887680. Its totient is φ = 88255305600.

The previous prime is 103421301143. The next prime is 103421301223. The reversal of 103421301221 is 122103124301.

It is not a de Polignac number, because 103421301221 - 2¹⁰ = 103421300197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103421301193 and 103421301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103421301223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517171 + ... + 1583871.

It is an arithmetic number, because the mean of its divisors is an integer number (7419930480).

Almost surely, 2^103421301221 is an apocalyptic number.

It is an amenable number.

103421301221 is a deficient number, since it is larger than the sum of its proper divisors (15297586459).

103421301221 is an equidigital number, since it uses as much as digits as its factorization.

103421301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67684.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103421301221 its reverse (122103124301), we get a palindrome (225524425522).

The spelling of 103421301221 in words is "one hundred three billion, four hundred twenty-one million, three hundred one thousand, two hundred twenty-one".