1101303112203 has 12 divisors (see below), whose sum is σ = 1818024185328. Its totient is φ = 629316064080.

The previous prime is 1101303112181. The next prime is 1101303112213. The reversal of 1101303112203 is 3022113031011.

1101303112203 is a `hidden beast` number, since 1 + 1 + 0 + 130 + 311 + 220 + 3 = 666.

It is not a de Polignac number, because 1101303112203 - 2⁵ = 1101303112171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101303112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8740500828 + ... + 8740500953.

It is an arithmetic number, because the mean of its divisors is an integer number (151502015444).

Almost surely, 2^{1101303112203} is an apocalyptic number.

1101303112203 is a deficient number, since it is larger than the sum of its proper divisors (716721073125).

1101303112203 is a wasteful number, since it uses less digits than its factorization.

1101303112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17481001794 (or 17481001791 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1101303112203 its reverse (3022113031011), we get a palindrome (4123416143214).

The spelling of 1101303112203 in words is "one trillion, one hundred one billion, three hundred three million, one hundred twelve thousand, two hundred three".