121102000198 has 16 divisors (see below), whose sum is σ = 187125008400. Its totient is φ = 58745899296.

The previous prime is 121102000193. The next prime is 121102000199. The reversal of 121102000198 is 891000201121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102000193) 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 7 ways as a sum of consecutive naturals, for example, 4712565 + ... + 4738192.

It is an arithmetic number, because the mean of its divisors is an integer number (11695313025).

Almost surely, 2^121102000198 is an apocalyptic number.

121102000198 is a deficient number, since it is larger than the sum of its proper divisors (66023008202).

121102000198 is a wasteful number, since it uses less digits than its factorization.

121102000198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450951.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 121102000198 in words is "one hundred twenty-one billion, one hundred two million, one hundred ninety-eight", and thus it is an aban number.