111201943103 has 4 divisors (see below), whose sum is σ = 111778119168. Its totient is φ = 110625767040.

The previous prime is 111201943063. The next prime is 111201943147. The reversal of 111201943103 is 301349102111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111201943103 - 2²⁴ = 111185165887 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 (111201943703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288087743 + ... + 288088128.

It is an arithmetic number, because the mean of its divisors is an integer number (27944529792).

Almost surely, 2^111201943103 is an apocalyptic number.

111201943103 is a deficient number, since it is larger than the sum of its proper divisors (576176065).

111201943103 is an equidigital number, since it uses as much as digits as its factorization.

111201943103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576176064.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 111201943103 in words is "one hundred eleven billion, two hundred one million, nine hundred forty-three thousand, one hundred three".