30012111001 has 2 divisors, whose sum is σ = 30012111002. Its totient is φ = 30012111000.

The previous prime is 30012110969. The next prime is 30012111011. The reversal of 30012111001 is 10011121003.

It is an a-pointer prime, because the next prime (30012111011) can be obtained adding 30012111001 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21403982601 + 8608128400 = 146301^2 + 92780^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012111001 - 2⁵ = 30012110969 is a prime.

It is not a weakly prime, because it can be changed into another prime (30012111011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006055500 + 15006055501.

It is an arithmetic number, because the mean of its divisors is an integer number (15006055501).

Almost surely, 2^30012111001 is an apocalyptic number.

It is an amenable number.

30012111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012111001 is an equidigital number, since it uses as much as digits as its factorization.

30012111001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 30012111001 its reverse (10011121003), we get a palindrome (40023232004).

The spelling of 30012111001 in words is "thirty billion, twelve million, one hundred eleven thousand, one".