30112102001 has 2 divisors, whose sum is σ = 30112102002. Its totient is φ = 30112102000.

The previous prime is 30112101997. The next prime is 30112102003. The reversal of 30112102001 is 10020121103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17885050225 + 12227051776 = 133735^2 + 110576^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112102001 - 2² = 30112101997 is a prime.

Together with 30112102003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30112102003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056051000 + 15056051001.

It is an arithmetic number, because the mean of its divisors is an integer number (15056051001).

Almost surely, 2^30112102001 is an apocalyptic number.

It is an amenable number.

30112102001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112102001 is an equidigital number, since it uses as much as digits as its factorization.

30112102001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 30112102001 its reverse (10020121103), we get a palindrome (40132223104).

It can be divided in two parts, 3011 and 2102001, that added together give a palindrome (2105012).

The spelling of 30112102001 in words is "thirty billion, one hundred twelve million, one hundred two thousand, one".