30211311121 has 24 divisors (see below), whose sum is σ = 31922777120. Its totient is φ = 28583985024.

The previous prime is 30211311079. The next prime is 30211311131. The reversal of 30211311121 is 12111311203.

It is a happy number.

It is not a de Polignac number, because 30211311121 - 2⁷ = 30211310993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30211311095 and 30211311104.

It is not an unprimeable number, because it can be changed into a prime (30211311131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10005550 + ... + 10008568.

Almost surely, 2^30211311121 is an apocalyptic number.

It is an amenable number.

30211311121 is a deficient number, since it is larger than the sum of its proper divisors (1711465999).

30211311121 is a wasteful number, since it uses less digits than its factorization.

30211311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313 (or 3284 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 30211311121 its reverse (12111311203), we get a palindrome (42322622324).

The spelling of 30211311121 in words is "thirty billion, two hundred eleven million, three hundred eleven thousand, one hundred twenty-one".