103332320221 has 4 divisors (see below), whose sum is σ = 111280960252. Its totient is φ = 95383680192.

The previous prime is 103332320219. The next prime is 103332320251. The reversal of 103332320221 is 122023233301.

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 6035114596 + 97297205625 = 77686^2 + 311925^2 .

It is a cyclic number.

It is not a de Polignac number, because 103332320221 - 2¹ = 103332320219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103332320192 and 103332320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103332320251) 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, 3974319996 + ... + 3974320021.

It is an arithmetic number, because the mean of its divisors is an integer number (27820240063).

Almost surely, 2^103332320221 is an apocalyptic number.

It is an amenable number.

103332320221 is a deficient number, since it is larger than the sum of its proper divisors (7948640031).

103332320221 is an equidigital number, since it uses as much as digits as its factorization.

103332320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948640030.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 103332320221 its reverse (122023233301), we get a palindrome (225355553522).

The spelling of 103332320221 in words is "one hundred three billion, three hundred thirty-two million, three hundred twenty thousand, two hundred twenty-one".