2021100198 has 32 divisors (see below), whose sum is σ = 4435282656. Its totient is φ = 610142208.

The previous prime is 2021100197. The next prime is 2021100217. The reversal of 2021100198 is 8910011202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021100197) 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 15 ways as a sum of consecutive naturals, for example, 240315 + ... + 248582.

It is an arithmetic number, because the mean of its divisors is an integer number (138602583).

Almost surely, 2^2021100198 is an apocalyptic number.

2021100198 is an abundant number, since it is smaller than the sum of its proper divisors (2414182458).

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

2021100198 is a wasteful number, since it uses less digits than its factorization.

2021100198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488968.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 2021100198 is about 44956.6479844750. The cubic root of 2021100198 is about 1264.3363228543.

The spelling of 2021100198 in words is "two billion, twenty-one million, one hundred thousand, one hundred ninety-eight".