201110112100188 has 72 divisors (see below), whose sum is σ = 513310540579200. Its totient is φ = 66384139788576.

The previous prime is 201110112100187. The next prime is 201110112100201. The reversal of 201110112100188 is 881001211011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201110112100187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146371783 + ... + 147739361.

It is an arithmetic number, because the mean of its divisors is an integer number (7129313063600).

Almost surely, 2^{201110112100188} is an apocalyptic number.

It is an amenable number.

201110112100188 is an abundant number, since it is smaller than the sum of its proper divisors (312200428479012).

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

201110112100188 is a wasteful number, since it uses less digits than its factorization.

201110112100188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407351 (or 1407346 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 27.

The spelling of 201110112100188 in words is "two hundred one trillion, one hundred ten billion, one hundred twelve million, one hundred thousand, one hundred eighty-eight".