1101303220203 has 6 divisors (see below), whose sum is σ = 1590771318084. Its totient is φ = 734202146796.

The previous prime is 1101303220177. The next prime is 1101303220253. The reversal of 1101303220203 is 3020223031011.

1101303220203 is a `hidden beast` number, since 1 + 10 + 130 + 322 + 0 + 203 = 666.

It is not a de Polignac number, because 1101303220203 - 2⁶ = 1101303220139 is a prime.

It is a super-2 number, since 2×1101303220203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101303220253) 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 5 ways as a sum of consecutive naturals, for example, 61183512225 + ... + 61183512242.

It is an arithmetic number, because the mean of its divisors is an integer number (265128553014).

Almost surely, 2^{1101303220203} is an apocalyptic number.

1101303220203 is a deficient number, since it is larger than the sum of its proper divisors (489468097881).

1101303220203 is a wasteful number, since it uses less digits than its factorization.

1101303220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122367024473 (or 122367024470 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1101303220203 its reverse (3020223031011), we get a palindrome (4121526251214).

It can be divided in two parts, 110130 and 3220203, that added together give a palindrome (3330333).

The spelling of 1101303220203 in words is "one trillion, one hundred one billion, three hundred three million, two hundred twenty thousand, two hundred three".