103120203202321 has 4 divisors (see below), whose sum is σ = 103123812492144. Its totient is φ = 103116593912500.

The previous prime is 103120203202279. The next prime is 103120203202337. The reversal of 103120203202321 is 123202302021301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103120203202321 - 2²⁵ = 103120169647889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103120203202292 and 103120203202301.

It is not an unprimeable number, because it can be changed into a prime (103120203202721) 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, 1804602055 + ... + 1804659196.

It is an arithmetic number, because the mean of its divisors is an integer number (25780953123036).

Almost surely, 2^{103120203202321} is an apocalyptic number.

It is an amenable number.

103120203202321 is a deficient number, since it is larger than the sum of its proper divisors (3609289823).

103120203202321 is an equidigital number, since it uses as much as digits as its factorization.

103120203202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609289822.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 103120203202321 its reverse (123202302021301), we get a palindrome (226322505223622).

The spelling of 103120203202321 in words is "one hundred three trillion, one hundred twenty billion, two hundred three million, two hundred two thousand, three hundred twenty-one".