30120011200121 has 16 divisors (see below), whose sum is σ = 32713234488000. Its totient is φ = 27621284802048.

The previous prime is 30120011200099. The next prime is 30120011200159. The reversal of 30120011200121 is 12100211002103.

It is not a de Polignac number, because 30120011200121 - 2¹⁴ = 30120011183737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120011200096 and 30120011200105.

It is not an unprimeable number, because it can be changed into a prime (30120011200621) 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, 50072471 + ... + 50670428.

It is an arithmetic number, because the mean of its divisors is an integer number (2044577155500).

Almost surely, 2^{30120011200121} is an apocalyptic number.

It is an amenable number.

30120011200121 is a deficient number, since it is larger than the sum of its proper divisors (2593223287879).

30120011200121 is a wasteful number, since it uses less digits than its factorization.

30120011200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100743368.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 30120011200121 its reverse (12100211002103), we get a palindrome (42220222202224).

The spelling of 30120011200121 in words is "thirty trillion, one hundred twenty billion, eleven million, two hundred thousand, one hundred twenty-one".