30121330201 has 4 divisors (see below), whose sum is σ = 31893173172. Its totient is φ = 28349487232.

The previous prime is 30121330181. The next prime is 30121330207. The reversal of 30121330201 is 10203312103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25632330201 + 4489000000 = 160101^2 + 67000^2 .

It is not a de Polignac number, because 30121330201 - 2¹³ = 30121322009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30121330207) 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, 885921460 + ... + 885921493.

It is an arithmetic number, because the mean of its divisors is an integer number (7973293293).

Almost surely, 2^30121330201 is an apocalyptic number.

It is an amenable number.

30121330201 is a deficient number, since it is larger than the sum of its proper divisors (1771842971).

30121330201 is a wasteful number, since it uses less digits than its factorization.

30121330201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771842970.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30121330201 its reverse (10203312103), we get a palindrome (40324642304).

The spelling of 30121330201 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, two hundred one".