30120011101 has 2 divisors, whose sum is σ = 30120011102. Its totient is φ = 30120011100.

The previous prime is 30120011087. The next prime is 30120011161. The reversal of 30120011101 is 10111002103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23447571876 + 6672439225 = 153126^2 + 81685^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120011101 - 2²⁵ = 30086456669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120011161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060005550 + 15060005551.

It is an arithmetic number, because the mean of its divisors is an integer number (15060005551).

Almost surely, 2^30120011101 is an apocalyptic number.

It is an amenable number.

30120011101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120011101 is an equidigital number, since it uses as much as digits as its factorization.

30120011101 is an evil number, because the sum of its binary digits is even.

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

Adding to 30120011101 its reverse (10111002103), we get a palindrome (40231013204).

The spelling of 30120011101 in words is "thirty billion, one hundred twenty million, eleven thousand, one hundred one".