1121320103203 has 8 divisors (see below), whose sum is σ = 1195277926400. Its totient is φ = 1048856377608.

The previous prime is 1121320103201. The next prime is 1121320103209. The reversal of 1121320103203 is 3023010231211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121320103203 - 2¹ = 1121320103201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121320103201) 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, 373522851 + ... + 373525852.

It is an arithmetic number, because the mean of its divisors is an integer number (149409740800).

Almost surely, 2^{1121320103203} is an apocalyptic number.

1121320103203 is a deficient number, since it is larger than the sum of its proper divisors (73957823197).

1121320103203 is an equidigital number, since it uses as much as digits as its factorization.

1121320103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747048801.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1121320103203 its reverse (3023010231211), we get a palindrome (4144330334414).

The spelling of 1121320103203 in words is "one trillion, one hundred twenty-one billion, three hundred twenty million, one hundred three thousand, two hundred three".