30120122211 has 4 divisors (see below), whose sum is σ = 40160162952. Its totient is φ = 20080081472.

The previous prime is 30120122189. The next prime is 30120122243. The reversal of 30120122211 is 11222102103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11222102103 = 3 ⋅3740700701.

It is a cyclic number.

It is not a de Polignac number, because 30120122211 - 2⁷ = 30120122083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30120122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020020366 + ... + 5020020371.

It is an arithmetic number, because the mean of its divisors is an integer number (10040040738).

Almost surely, 2^30120122211 is an apocalyptic number.

30120122211 is a deficient number, since it is larger than the sum of its proper divisors (10040040741).

30120122211 is a wasteful number, since it uses less digits than its factorization.

30120122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040040740.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30120122211 its reverse (11222102103), we get a palindrome (41342224314).

The spelling of 30120122211 in words is "thirty billion, one hundred twenty million, one hundred twenty-two thousand, two hundred eleven".