1121311322203 has 8 divisors (see below), whose sum is σ = 1140289356096. Its totient is φ = 1102352510400.

The previous prime is 1121311322179. The next prime is 1121311322309. The reversal of 1121311322203 is 3022231131211.

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 1121311322203 - 2²¹ = 1121309225051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121311302203) 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, 4687843 + ... + 4921228.

It is an arithmetic number, because the mean of its divisors is an integer number (142536169512).

Almost surely, 2^{1121311322203} is an apocalyptic number.

1121311322203 is a deficient number, since it is larger than the sum of its proper divisors (18978033893).

1121311322203 is an equidigital number, since it uses as much as digits as its factorization.

1121311322203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611045.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1121311322203 its reverse (3022231131211), we get a palindrome (4143542453414).

The spelling of 1121311322203 in words is "one trillion, one hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, two hundred three".