30120101087 has 2 divisors, whose sum is σ = 30120101088. Its totient is φ = 30120101086.

The previous prime is 30120100973. The next prime is 30120101107. The reversal of 30120101087 is 78010102103.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30120101087 - 2¹⁰ = 30120100063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120101287) 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, 15060050543 + 15060050544.

It is an arithmetic number, because the mean of its divisors is an integer number (15060050544).

Almost surely, 2^30120101087 is an apocalyptic number.

30120101087 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120101087 is an equidigital number, since it uses as much as digits as its factorization.

30120101087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

The spelling of 30120101087 in words is "thirty billion, one hundred twenty million, one hundred one thousand, eighty-seven".