103120120321 has 16 divisors (see below), whose sum is σ = 104679767808. Its totient is φ = 101573596800.

The previous prime is 103120120309. The next prime is 103120120333. The reversal of 103120120321 is 123021021301.

It is an interprime number because it is at equal distance from previous prime (103120120309) and next prime (103120120333).

It is a cyclic number.

It is not a de Polignac number, because 103120120321 - 2⁵ = 103120120289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103120120295 and 103120120304.

It is not an unprimeable number, because it can be changed into a prime (103120124321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25315941 + ... + 25320013.

It is an arithmetic number, because the mean of its divisors is an integer number (6542485488).

Almost surely, 2^103120120321 is an apocalyptic number.

It is an amenable number.

103120120321 is a deficient number, since it is larger than the sum of its proper divisors (1559647487).

103120120321 is a wasteful number, since it uses less digits than its factorization.

103120120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103120120321 its reverse (123021021301), we get a palindrome (226141141622).

The spelling of 103120120321 in words is "one hundred three billion, one hundred twenty million, one hundred twenty thousand, three hundred twenty-one".