198140802101 has 16 divisors (see below), whose sum is σ = 218921337600. Its totient is φ = 177822216000.

The previous prime is 198140802077. The next prime is 198140802127. The reversal of 198140802101 is 101208041891.

It is not a de Polignac number, because 198140802101 - 2⁶ = 198140802037 is a prime.

It is a super-3 number, since 3×198140802101³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198140804101) 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, 8592455 + ... + 8615483.

It is an arithmetic number, because the mean of its divisors is an integer number (13682583600).

Almost surely, 2^198140802101 is an apocalyptic number.

198140802101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

198140802101 is a deficient number, since it is larger than the sum of its proper divisors (20780535499).

198140802101 is a wasteful number, since it uses less digits than its factorization.

198140802101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33020.

The product of its (nonzero) digits is 4608, while the sum is 35.

Adding to 198140802101 its reverse (101208041891), we get a palindrome (299348843992).

It can be divided in two parts, 198140802 and 101, that multiplied together give a palindrome (20012221002).

The spelling of 198140802101 in words is "one hundred ninety-eight billion, one hundred forty million, eight hundred two thousand, one hundred one".