98197174121 has 4 divisors (see below), whose sum is σ = 98198067600. Its totient is φ = 98196280644.

The previous prime is 98197174063. The next prime is 98197174139. The reversal of 98197174121 is 12147179189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12147179189 = 613 ⋅19815953.

It is a cyclic number.

It is not a de Polignac number, because 98197174121 - 2¹⁰ = 98197173097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98197174121.

It is not an unprimeable number, because it can be changed into a prime (98197174151) 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, 254231 + ... + 510908.

It is an arithmetic number, because the mean of its divisors is an integer number (24549516900).

Almost surely, 2^98197174121 is an apocalyptic number.

It is an amenable number.

98197174121 is a deficient number, since it is larger than the sum of its proper divisors (893479).

98197174121 is a wasteful number, since it uses less digits than its factorization.

98197174121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893478.

The product of its digits is 254016, while the sum is 50.

The spelling of 98197174121 in words is "ninety-eight billion, one hundred ninety-seven million, one hundred seventy-four thousand, one hundred twenty-one".