30121302211 has 16 divisors (see below), whose sum is σ = 40442588928. Its totient is φ = 21665671200.

The previous prime is 30121302191. The next prime is 30121302217. The reversal of 30121302211 is 11220312103.

It is a cyclic number.

It is not a de Polignac number, because 30121302211 - 2²⁷ = 29987084483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30121302217) 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 15 ways as a sum of consecutive naturals, for example, 15044605 + ... + 15046606.

It is an arithmetic number, because the mean of its divisors is an integer number (2527661808).

Almost surely, 2^30121302211 is an apocalyptic number.

30121302211 is a deficient number, since it is larger than the sum of its proper divisors (10321286717).

30121302211 is a wasteful number, since it uses less digits than its factorization.

30121302211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30091242.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30121302211 its reverse (11220312103), we get a palindrome (41341614314).

The spelling of 30121302211 in words is "thirty billion, one hundred twenty-one million, three hundred two thousand, two hundred eleven".