1101101111003 has 4 divisors (see below), whose sum is σ = 1104274313400. Its totient is φ = 1097927908608.

The previous prime is 1101101110997. The next prime is 1101101111009. The reversal of 1101101111003 is 3001111011011.

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

It is an interprime number because it is at equal distance from previous prime (1101101110997) and next prime (1101101111009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101101111003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101101111009) 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, 1586600678 + ... + 1586601371.

It is an arithmetic number, because the mean of its divisors is an integer number (276068578350).

Almost surely, 2^{1101101111003} is an apocalyptic number.

1101101111003 is a deficient number, since it is larger than the sum of its proper divisors (3173202397).

1101101111003 is an equidigital number, since it uses as much as digits as its factorization.

1101101111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173202396.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 1101101111003 its reverse (3001111011011), we get a palindrome (4102212122014).

The spelling of 1101101111003 in words is "one trillion, one hundred one billion, one hundred one million, one hundred eleven thousand, three".