30123211109 has 8 divisors (see below), whose sum is σ = 30553459200. Its totient is φ = 29693129200.

The previous prime is 30123211039. The next prime is 30123211121. The reversal of 30123211109 is 90111232103.

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 30123211109 - 2⁸ = 30123210853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123211199) 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, 349667 + ... + 427215.

It is an arithmetic number, because the mean of its divisors is an integer number (3819182400).

Almost surely, 2^30123211109 is an apocalyptic number.

It is an amenable number.

30123211109 is a deficient number, since it is larger than the sum of its proper divisors (430248091).

30123211109 is an equidigital number, since it uses as much as digits as its factorization.

30123211109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83091.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 30123211109 in words is "thirty billion, one hundred twenty-three million, two hundred eleven thousand, one hundred nine".