111011120100198 has 96 divisors (see below), whose sum is σ = 252259656929280. Its totient is φ = 36584358782400.

The previous prime is 111011120100161. The next prime is 111011120100317. The reversal of 111011120100198 is 891001021110111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 462135423 + ... + 462375573.

It is an arithmetic number, because the mean of its divisors is an integer number (2627704759680).

Almost surely, 2^{111011120100198} is an apocalyptic number.

111011120100198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111011120100198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126129828464640).

111011120100198 is an abundant number, since it is smaller than the sum of its proper divisors (141248536829082).

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

111011120100198 is a wasteful number, since it uses less digits than its factorization.

111011120100198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250944 (or 250932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 27.

The spelling of 111011120100198 in words is "one hundred eleven trillion, eleven billion, one hundred twenty million, one hundred thousand, one hundred ninety-eight".