122110110198 has 32 divisors (see below), whose sum is σ = 283153881600. Its totient is φ = 38933657928.

The previous prime is 122110110193. The next prime is 122110110223. The reversal of 122110110198 is 891011011221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110110191) 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, 49157418 + ... + 49159901.

It is an arithmetic number, because the mean of its divisors is an integer number (8848558800).

Almost surely, 2^122110110198 is an apocalyptic number.

122110110198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122110110198 is an abundant number, since it is smaller than the sum of its proper divisors (161043771402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122110110198 is a wasteful number, since it uses less digits than its factorization.

122110110198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98317353 (or 98317347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

The spelling of 122110110198 in words is "one hundred twenty-two billion, one hundred ten million, one hundred ten thousand, one hundred ninety-eight".