30120210111 has 24 divisors (see below), whose sum is σ = 42491771392. Its totient is φ = 18958334400.

The previous prime is 30120210091. The next prime is 30120210149. The reversal of 30120210111 is 11101202103.

It is not a de Polignac number, because 30120210111 - 2⁵ = 30120210079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120210191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60000 + ... + 252666.

Almost surely, 2^30120210111 is an apocalyptic number.

30120210111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30120210111 is a deficient number, since it is larger than the sum of its proper divisors (12371561281).

30120210111 is a wasteful number, since it uses less digits than its factorization.

30120210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192783 (or 192742 counting only the distinct ones).

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

Adding to 30120210111 its reverse (11101202103), we get a palindrome (41221412214).

The spelling of 30120210111 in words is "thirty billion, one hundred twenty million, two hundred ten thousand, one hundred eleven".