2102118499 has 12 divisors (see below), whose sum is σ = 2313585552. Its totient is φ = 1908597600.

The previous prime is 2102118497. The next prime is 2102118509. The reversal of 2102118499 is 9948112012.

It is not a de Polignac number, because 2102118499 - 2¹ = 2102118497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102118497) 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 in 11 ways as a sum of consecutive naturals, for example, 91647 + ... + 112264.

It is an arithmetic number, because the mean of its divisors is an integer number (192798796).

Almost surely, 2^2102118499 is an apocalyptic number.

2102118499 is a deficient number, since it is larger than the sum of its proper divisors (211467053).

2102118499 is a wasteful number, since it uses less digits than its factorization.

2102118499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203998 (or 203985 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2102118499 is about 45848.8658420249. The cubic root of 2102118499 is about 1281.0096402134.

The spelling of 2102118499 in words is "two billion, one hundred two million, one hundred eighteen thousand, four hundred ninety-nine".