30120111907 has 2 divisors, whose sum is σ = 30120111908. Its totient is φ = 30120111906.

The previous prime is 30120111869. The next prime is 30120112021. The reversal of 30120111907 is 70911102103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30120111907 - 2¹⁵ = 30120079139 is a prime.

It is a super-2 number, since 2×30120111907² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30120121907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060055953 + 15060055954.

It is an arithmetic number, because the mean of its divisors is an integer number (15060055954).

Almost surely, 2^30120111907 is an apocalyptic number.

30120111907 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120111907 is an equidigital number, since it uses as much as digits as its factorization.

30120111907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The spelling of 30120111907 in words is "thirty billion, one hundred twenty million, one hundred eleven thousand, nine hundred seven".