103202101130321 has 4 divisors (see below), whose sum is σ = 103204741352100. Its totient is φ = 103199460908544.

The previous prime is 103202101130299. The next prime is 103202101130347. The reversal of 103202101130321 is 123031101202301.

It is a happy number.

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 28578764419921 + 74623336710400 = 5345911^2 + 8638480^2 .

It is a cyclic number.

It is not a de Polignac number, because 103202101130321 - 2⁶ = 103202101130257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103202101130293 and 103202101130302.

It is not an unprimeable number, because it can be changed into a prime (103202101130351) 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, 1320052256 + ... + 1320130433.

It is an arithmetic number, because the mean of its divisors is an integer number (25801185338025).

Almost surely, 2^{103202101130321} is an apocalyptic number.

It is an amenable number.

103202101130321 is a deficient number, since it is larger than the sum of its proper divisors (2640221779).

103202101130321 is an equidigital number, since it uses as much as digits as its factorization.

103202101130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640221778.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103202101130321 its reverse (123031101202301), we get a palindrome (226233202332622).

The spelling of 103202101130321 in words is "one hundred three trillion, two hundred two billion, one hundred one million, one hundred thirty thousand, three hundred twenty-one".