30211011211 has 4 divisors (see below), whose sum is σ = 30403438192. Its totient is φ = 30018584232.

The previous prime is 30211011197. The next prime is 30211011263. The reversal of 30211011211 is 11211011203.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30211011211 - 2⁵ = 30211011179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211011191 and 30211011200.

It is not an unprimeable number, because it can be changed into a prime (30211011011) 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, 96213255 + ... + 96213568.

It is an arithmetic number, because the mean of its divisors is an integer number (7600859548).

Almost surely, 2^30211011211 is an apocalyptic number.

30211011211 is a deficient number, since it is larger than the sum of its proper divisors (192426981).

30211011211 is a wasteful number, since it uses less digits than its factorization.

30211011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192426980.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 30211011211 its reverse (11211011203), we get a palindrome (41422022414).

The spelling of 30211011211 in words is "thirty billion, two hundred eleven million, eleven thousand, two hundred eleven".