111101001099966 has 12 divisors (see below), whose sum is σ = 240718835716632. Its totient is φ = 37033667033316.

The previous prime is 111101001099901. The next prime is 111101001099967. The reversal of 111101001099966 is 669990100101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101001099967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086138919426 + ... + 3086138919461.

It is an arithmetic number, because the mean of its divisors is an integer number (20059902976386).

Almost surely, 2^{111101001099966} is an apocalyptic number.

111101001099966 is an abundant number, since it is smaller than the sum of its proper divisors (129617834616666).

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

111101001099966 is a wasteful number, since it uses less digits than its factorization.

111101001099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172277838895 (or 6172277838892 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 111101001099966 in words is "one hundred eleven trillion, one hundred one billion, one million, ninety-nine thousand, nine hundred sixty-six".