30002021211 has 4 divisors (see below), whose sum is σ = 40002694952. Its totient is φ = 20001347472.

The previous prime is 30002021201. The next prime is 30002021213. The reversal of 30002021211 is 11212020003.

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

It is not a de Polignac number, because 30002021211 - 2¹¹ = 30002019163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30002021213) 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, 5000336866 + ... + 5000336871.

It is an arithmetic number, because the mean of its divisors is an integer number (10000673738).

Almost surely, 2^30002021211 is an apocalyptic number.

30002021211 is a deficient number, since it is larger than the sum of its proper divisors (10000673741).

30002021211 is a wasteful number, since it uses less digits than its factorization.

30002021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000673740.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30002021211 its reverse (11212020003), we get a palindrome (41214041214).

The spelling of 30002021211 in words is "thirty billion, two million, twenty-one thousand, two hundred eleven".