111201011983 has 16 divisors (see below), whose sum is σ = 117938569536. Its totient is φ = 104485455360.

The previous prime is 111201011969. The next prime is 111201012011. The reversal of 111201011983 is 389110102111.

It is a cyclic number.

It is not a de Polignac number, because 111201011983 - 2¹⁷ = 111200880911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201011963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39841318 + ... + 39844108.

It is an arithmetic number, because the mean of its divisors is an integer number (7371160596).

Almost surely, 2^111201011983 is an apocalyptic number.

111201011983 is a deficient number, since it is larger than the sum of its proper divisors (6737557553).

111201011983 is a wasteful number, since it uses less digits than its factorization.

111201011983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 111201011983 in words is "one hundred eleven billion, two hundred one million, eleven thousand, nine hundred eighty-three".