111001242003 has 4 divisors (see below), whose sum is σ = 148001656008. Its totient is φ = 74000828000.

The previous prime is 111001241999. The next prime is 111001242041. The reversal of 111001242003 is 300242100111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300242100111 = 3 ⋅100080700037.

It is a cyclic number.

It is not a de Polignac number, because 111001242003 - 2² = 111001241999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111001242043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18500206998 + ... + 18500207003.

It is an arithmetic number, because the mean of its divisors is an integer number (37000414002).

Almost surely, 2^111001242003 is an apocalyptic number.

111001242003 is a deficient number, since it is larger than the sum of its proper divisors (37000414005).

111001242003 is an equidigital number, since it uses as much as digits as its factorization.

111001242003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37000414004.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111001242003 its reverse (300242100111), we get a palindrome (411243342114).

The spelling of 111001242003 in words is "one hundred eleven billion, one million, two hundred forty-two thousand, three".