112221220122198 has 24 divisors (see below), whose sum is σ = 265250156652936. Its totient is φ = 34006430340000.

The previous prime is 112221220122163. The next prime is 112221220122199. The reversal of 112221220122198 is 891221022122211.

112221220122198 is a `hidden beast` number, since 1 + 1 + 2 + 221 + 2 + 201 + 221 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221220122199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283386919303 + ... + 283386919698.

It is an arithmetic number, because the mean of its divisors is an integer number (11052089860539).

Almost surely, 2^{112221220122198} is an apocalyptic number.

112221220122198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

112221220122198 is an abundant number, since it is smaller than the sum of its proper divisors (153028936530738).

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

112221220122198 is a wasteful number, since it uses less digits than its factorization.

112221220122198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566773839020 (or 566773839017 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 112221220122198 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, one hundred ninety-eight".