30121002211 has 8 divisors (see below), whose sum is σ = 30505809600. Its totient is φ = 29736283200.

The previous prime is 30121002209. The next prime is 30121002229. The reversal of 30121002211 is 11220012103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30121002211 - 2¹ = 30121002209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30121002191 and 30121002200.

It is not an unprimeable number, because it can be changed into a prime (30121002251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916125 + ... + 948433.

It is an arithmetic number, because the mean of its divisors is an integer number (3813226200).

Almost surely, 2^30121002211 is an apocalyptic number.

30121002211 is a deficient number, since it is larger than the sum of its proper divisors (384807389).

30121002211 is a wasteful number, since it uses less digits than its factorization.

30121002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44189.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30121002211 its reverse (11220012103), we get a palindrome (41341014314).

The spelling of 30121002211 in words is "thirty billion, one hundred twenty-one million, two thousand, two hundred eleven".