111201110992 has 20 divisors (see below), whose sum is σ = 215825571076. Its totient is φ = 55504189440.

The previous prime is 111201110989. The next prime is 111201111017. The reversal of 111201110992 is 299011102111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66335093136 + 44866017856 = 257556^2 + 211816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111201110992.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6013359 + ... + 6031822.

Almost surely, 2^111201110992 is an apocalyptic number.

It is an amenable number.

111201110992 is a deficient number, since it is larger than the sum of its proper divisors (104624460084).

111201110992 is a wasteful number, since it uses less digits than its factorization.

111201110992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045766 (or 12045760 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 111201110992 in words is "one hundred eleven billion, two hundred one million, one hundred ten thousand, nine hundred ninety-two".