2021110198 has 8 divisors (see below), whose sum is σ = 3039794208. Its totient is φ = 1007845464.

The previous prime is 2021110181. The next prime is 2021110241. The reversal of 2021110198 is 8910111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1353886 + ... + 1355377.

It is an arithmetic number, because the mean of its divisors is an integer number (379974276).

Almost surely, 2^2021110198 is an apocalyptic number.

2021110198 is a deficient number, since it is larger than the sum of its proper divisors (1018684010).

2021110198 is a wasteful number, since it uses less digits than its factorization.

2021110198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709638.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 2021110198 is about 44956.7592025938. The cubic root of 2021110198 is about 1264.3384080787.

The spelling of 2021110198 in words is "two billion, twenty-one million, one hundred ten thousand, one hundred ninety-eight".