1002100020198 has 8 divisors (see below), whose sum is σ = 2004200040408. Its totient is φ = 334033340064.

The previous prime is 1002100020197. The next prime is 1002100020211. The reversal of 1002100020198 is 8910200012001.

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

1002100020198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002100020191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83508335011 + ... + 83508335022.

It is an arithmetic number, because the mean of its divisors is an integer number (250525005051).

Almost surely, 2^{1002100020198} is an apocalyptic number.

1002100020198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1002100020198 is a wasteful number, since it uses less digits than its factorization.

1002100020198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167016670038.

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

Adding to 1002100020198 its reverse (8910200012001), we get a palindrome (9912300032199).

The spelling of 1002100020198 in words is "one trillion, two billion, one hundred million, twenty thousand, one hundred ninety-eight".