111103121003 has 8 divisors (see below), whose sum is σ = 127639787520. Its totient is φ = 94732652520.

The previous prime is 111103120969. The next prime is 111103121009. The reversal of 111103121003 is 300121301111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111103121003 - 2¹² = 111103116907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111103121009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41548073 + ... + 41550746.

It is an arithmetic number, because the mean of its divisors is an integer number (15954973440).

Almost surely, 2^111103121003 is an apocalyptic number.

111103121003 is a deficient number, since it is larger than the sum of its proper divisors (16536666517).

111103121003 is an equidigital number, since it uses as much as digits as its factorization.

111103121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83099017.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111103121003 its reverse (300121301111), we get a palindrome (411224422114).

The spelling of 111103121003 in words is "one hundred eleven billion, one hundred three million, one hundred twenty-one thousand, three".