111103105020249 has 16 divisors (see below), whose sum is σ = 165106781455680. Its totient is φ = 66042712581120.

The previous prime is 111103105020233. The next prime is 111103105020289. The reversal of 111103105020249 is 942020501301111.

It is not a de Polignac number, because 111103105020249 - 2⁴ = 111103105020233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111103105020289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57328742592 + ... + 57328744529.

It is an arithmetic number, because the mean of its divisors is an integer number (10319173840980).

Almost surely, 2^{111103105020249} is an apocalyptic number.

111103105020249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

111103105020249 is a deficient number, since it is larger than the sum of its proper divisors (54003676435431).

111103105020249 is a wasteful number, since it uses less digits than its factorization.

111103105020249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114657487160.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 111103105020249 in words is "one hundred eleven trillion, one hundred three billion, one hundred five million, twenty thousand, two hundred forty-nine".