1121320020303 has 72 divisors (see below), whose sum is σ = 1968444661248. Its totient is φ = 612146148768.

The previous prime is 1121320020299. The next prime is 1121320020311. The reversal of 1121320020303 is 3030200231211.

1121320020303 is a `hidden beast` number, since 1 + 1 + 21 + 320 + 0 + 20 + 303 = 666.

It is not a de Polignac number, because 1121320020303 - 2² = 1121320020299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121320020323) 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 71 ways as a sum of consecutive naturals, for example, 8280526 + ... + 8414852.

It is an arithmetic number, because the mean of its divisors is an integer number (27339509184).

Almost surely, 2^{1121320020303} is an apocalyptic number.

1121320020303 is a deficient number, since it is larger than the sum of its proper divisors (847124640945).

1121320020303 is a wasteful number, since it uses less digits than its factorization.

1121320020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135193 (or 135183 counting only the distinct ones).

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

Adding to 1121320020303 its reverse (3030200231211), we get a palindrome (4151520251514).

The spelling of 1121320020303 in words is "one trillion, one hundred twenty-one billion, three hundred twenty million, twenty thousand, three hundred three".