30103120121 has 8 divisors (see below), whose sum is σ = 31077494784. Its totient is φ = 29128952160.

The previous prime is 30103120063. The next prime is 30103120129. The reversal of 30103120121 is 12102130103.

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

It is a cyclic number.

It is not a de Polignac number, because 30103120121 - 2³⁴ = 12923250937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30103120096 and 30103120105.

It is not an unprimeable number, because it can be changed into a prime (30103120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277736 + ... + 370598.

It is an arithmetic number, because the mean of its divisors is an integer number (3884686848).

Almost surely, 2^30103120121 is an apocalyptic number.

30103120121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30103120121 is a deficient number, since it is larger than the sum of its proper divisors (974374663).

30103120121 is a wasteful number, since it uses less digits than its factorization.

30103120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103351.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30103120121 its reverse (12102130103), we get a palindrome (42205250224).

The spelling of 30103120121 in words is "thirty billion, one hundred three million, one hundred twenty thousand, one hundred twenty-one".