30120023231111 has 8 divisors (see below), whose sum is σ = 32860107675648. Its totient is φ = 27380255539000.

The previous prime is 30120023231059. The next prime is 30120023231119. The reversal of 30120023231111 is 11113232002103.

It is a happy number.

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 30120023231111 - 2⁶ = 30120023231047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120023231119) 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, 78989255 + ... + 79369656.

It is an arithmetic number, because the mean of its divisors is an integer number (4107513459456).

Almost surely, 2^{30120023231111} is an apocalyptic number.

30120023231111 is a deficient number, since it is larger than the sum of its proper divisors (2740084444537).

30120023231111 is a wasteful number, since it uses less digits than its factorization.

30120023231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158376213.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30120023231111 its reverse (11113232002103), we get a palindrome (41233255233214).

The spelling of 30120023231111 in words is "thirty trillion, one hundred twenty billion, twenty-three million, two hundred thirty-one thousand, one hundred eleven".