2120115120727 has 4 divisors (see below), whose sum is σ = 2131100173360. Its totient is φ = 2109130068096.

The previous prime is 2120115120713. The next prime is 2120115120731. The reversal of 2120115120727 is 7270215110212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120115120727 - 2²⁷ = 2119980902999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120115120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5492526027 + ... + 5492526412.

It is an arithmetic number, because the mean of its divisors is an integer number (532775043340).

Almost surely, 2^{2120115120727} is an apocalyptic number.

2120115120727 is a deficient number, since it is larger than the sum of its proper divisors (10985052633).

2120115120727 is a wasteful number, since it uses less digits than its factorization.

2120115120727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985052632.

The product of its (nonzero) digits is 3920, while the sum is 31.

The spelling of 2120115120727 in words is "two trillion, one hundred twenty billion, one hundred fifteen million, one hundred twenty thousand, seven hundred twenty-seven".