10021000198 has 8 divisors (see below), whose sum is σ = 16398000360. Its totient is φ = 4555000080.

The previous prime is 10021000181. The next prime is 10021000243. The reversal of 10021000198 is 89100012001.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 455500009 = 10021000198 / (1 + 0 + 0 + 2 + 1 + 0 + 0 + 0 + 1 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227749983 + ... + 227750026.

It is an arithmetic number, because the mean of its divisors is an integer number (2049750045).

Almost surely, 2^10021000198 is an apocalyptic number.

10021000198 is a deficient number, since it is larger than the sum of its proper divisors (6377000162).

10021000198 is a wasteful number, since it uses less digits than its factorization.

10021000198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455500022.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 10021000198 its reverse (89100012001), we get a palindrome (99121012199).

The spelling of 10021000198 in words is "ten billion, twenty-one million, one hundred ninety-eight", and thus it is an aban number.