2120109995 has 16 divisors (see below), whose sum is σ = 2627665920. Its totient is φ = 1640460000.

The previous prime is 2120109991. The next prime is 2120110021. The reversal of 2120109995 is 5999010212.

It is not a de Polignac number, because 2120109995 - 2² = 2120109991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120109991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443870 + ... + 448620.

It is an arithmetic number, because the mean of its divisors is an integer number (164229120).

Almost surely, 2^2120109995 is an apocalyptic number.

2120109995 is a deficient number, since it is larger than the sum of its proper divisors (507555925).

2120109995 is a wasteful number, since it uses less digits than its factorization.

2120109995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 2120109995 is about 46044.6521867632. The cubic root of 2120109995 is about 1284.6538747904.

The spelling of 2120109995 in words is "two billion, one hundred twenty million, one hundred nine thousand, nine hundred ninety-five".