198890200101 has 8 divisors (see below), whose sum is σ = 265204485504. Its totient is φ = 132584690720.

The previous prime is 198890200087. The next prime is 198890200109. The reversal of 198890200101 is 101002098891.

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

It is a cyclic number.

It is not a de Polignac number, because 198890200101 - 2⁷ = 198890199973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198890200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198890200109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140941 + ... + 2231906.

It is an arithmetic number, because the mean of its divisors is an integer number (33150560688).

Almost surely, 2^198890200101 is an apocalyptic number.

It is an amenable number.

198890200101 is a deficient number, since it is larger than the sum of its proper divisors (66314285403).

198890200101 is a wasteful number, since it uses less digits than its factorization.

198890200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388011.

The product of its (nonzero) digits is 10368, while the sum is 39.

Adding to 198890200101 its reverse (101002098891), we get a palindrome (299892298992).

The spelling of 198890200101 in words is "one hundred ninety-eight billion, eight hundred ninety million, two hundred thousand, one hundred one".