1201003101103 has 8 divisors (see below), whose sum is σ = 1293658209648. Its totient is φ = 1108386600384.

The previous prime is 1201003101079. The next prime is 1201003101121. The reversal of 1201003101103 is 3011013001021.

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-1201003101103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201003101143) 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, 9587326 + ... + 9711787.

It is an arithmetic number, because the mean of its divisors is an integer number (161707276206).

Almost surely, 2^{1201003101103} is an apocalyptic number.

1201003101103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1201003101103 is a deficient number, since it is larger than the sum of its proper divisors (92655108545).

1201003101103 is a wasteful number, since it uses less digits than its factorization.

1201003101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19303913.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1201003101103 its reverse (3011013001021), we get a palindrome (4212016102124).

The spelling of 1201003101103 in words is "one trillion, two hundred one billion, three million, one hundred one thousand, one hundred three".