103232220221 has 8 divisors (see below), whose sum is σ = 112319276664. Its totient is φ = 94308894720.

The previous prime is 103232220191. The next prime is 103232220227. The reversal of 103232220221 is 122022232301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23151144025 + 80081076196 = 152155^2 + 282986^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103232220221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103232220193 and 103232220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103232220227) 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 7 ways as a sum of consecutive naturals, for example, 40931420 + ... + 40933941.

It is an arithmetic number, because the mean of its divisors is an integer number (14039909583).

Almost surely, 2^103232220221 is an apocalyptic number.

It is an amenable number.

103232220221 is a deficient number, since it is larger than the sum of its proper divisors (9087056443).

103232220221 is an equidigital number, since it uses as much as digits as its factorization.

103232220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81865471.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 103232220221 its reverse (122022232301), we get a palindrome (225254452522).

The spelling of 103232220221 in words is "one hundred three billion, two hundred thirty-two million, two hundred twenty thousand, two hundred twenty-one".