198220010911 has 16 divisors (see below), whose sum is σ = 214170705280. Its totient is φ = 182370722400.

The previous prime is 198220010903. The next prime is 198220010921. The reversal of 198220010911 is 119010022891.

It is a cyclic number.

It is not a de Polignac number, because 198220010911 - 2³ = 198220010903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198220010921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004736 + ... + 5044186.

It is an arithmetic number, because the mean of its divisors is an integer number (13385669080).

Almost surely, 2^198220010911 is an apocalyptic number.

198220010911 is a deficient number, since it is larger than the sum of its proper divisors (15950694369).

198220010911 is a wasteful number, since it uses less digits than its factorization.

198220010911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40726.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 198220010911 in words is "one hundred ninety-eight billion, two hundred twenty million, ten thousand, nine hundred eleven".