1103311100203 has 8 divisors (see below), whose sum is σ = 1188224856000. Its totient is φ = 1018403583168.

The previous prime is 1103311100161. The next prime is 1103311100239. The reversal of 1103311100203 is 3020011133011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103311100203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103311100293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189123 + ... + 1902796.

It is an arithmetic number, because the mean of its divisors is an integer number (148528107000).

Almost surely, 2^{1103311100203} is an apocalyptic number.

1103311100203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1103311100203 is a deficient number, since it is larger than the sum of its proper divisors (84913755797).

1103311100203 is a wasteful number, since it uses less digits than its factorization.

1103311100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119381.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1103311100203 its reverse (3020011133011), we get a palindrome (4123322233214).

The spelling of 1103311100203 in words is "one trillion, one hundred three billion, three hundred eleven million, one hundred thousand, two hundred three".