2101008198 has 16 divisors (see below), whose sum is σ = 4337565696. Its totient is φ = 677744520.

The previous prime is 2101008197. The next prime is 2101008227. The reversal of 2101008198 is 8918001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101008193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5647686 + ... + 5648057.

It is an arithmetic number, because the mean of its divisors is an integer number (271097856).

Almost surely, 2^2101008198 is an apocalyptic number.

2101008198 is an abundant number, since it is smaller than the sum of its proper divisors (2236557498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101008198 is a wasteful number, since it uses less digits than its factorization.

2101008198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295779.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 2101008198 is about 45836.7559715999. The cubic root of 2101008198 is about 1280.7840651137.

The spelling of 2101008198 in words is "two billion, one hundred one million, eight thousand, one hundred ninety-eight".