1121310220323 has 8 divisors (see below), whose sum is σ = 1495085190336. Its totient is φ = 747537698600.

The previous prime is 1121310220253. The next prime is 1121310220337. The reversal of 1121310220323 is 3230220131211.

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 1121310220323 - 2⁸ = 1121310220067 is a prime.

It is a super-2 number, since 2×1121310220323² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121310220323.

It is not an unprimeable number, because it can be changed into a prime (1121310220523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427488 + ... + 2068898.

It is an arithmetic number, because the mean of its divisors is an integer number (186885648792).

Almost surely, 2^{1121310220323} is an apocalyptic number.

1121310220323 is a deficient number, since it is larger than the sum of its proper divisors (373774970013).

1121310220323 is an equidigital number, since it uses as much as digits as its factorization.

1121310220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224145.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1121310220323 its reverse (3230220131211), we get a palindrome (4351530351534).

The spelling of 1121310220323 in words is "one trillion, one hundred twenty-one billion, three hundred ten million, two hundred twenty thousand, three hundred twenty-three".