30121110220201 has 128 divisors (see below), whose sum is σ = 43181907148800. Its totient is φ = 20219836723200.

The previous prime is 30121110220199. The next prime is 30121110220213. The reversal of 30121110220201 is 10202201112103.

It is a cyclic number.

It is not a de Polignac number, because 30121110220201 - 2¹ = 30121110220199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30121110220291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1539058746 + ... + 1539078316.

It is an arithmetic number, because the mean of its divisors is an integer number (337358649600).

Almost surely, 2^{30121110220201} is an apocalyptic number.

It is an amenable number.

30121110220201 is a deficient number, since it is larger than the sum of its proper divisors (13060796928599).

30121110220201 is a wasteful number, since it uses less digits than its factorization.

30121110220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20375.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 30121110220201 its reverse (10202201112103), we get a palindrome (40323311332304).

The spelling of 30121110220201 in words is "thirty trillion, one hundred twenty-one billion, one hundred ten million, two hundred twenty thousand, two hundred one".