1121103201323 has 32 divisors (see below), whose sum is σ = 1315687726080. Its totient is φ = 935419155840.

The previous prime is 1121103201311. The next prime is 1121103201343. The reversal of 1121103201323 is 3231023011211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121103201323 - 2¹⁰ = 1121103200299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121103201295 and 1121103201304.

It is not an unprimeable number, because it can be changed into a prime (1121103201343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89775386 + ... + 89787872.

It is an arithmetic number, because the mean of its divisors is an integer number (41115241440).

Almost surely, 2^{1121103201323} is an apocalyptic number.

1121103201323 is a deficient number, since it is larger than the sum of its proper divisors (194584524757).

1121103201323 is a wasteful number, since it uses less digits than its factorization.

1121103201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1121103201323 its reverse (3231023011211), we get a palindrome (4352126212534).

The spelling of 1121103201323 in words is "one trillion, one hundred twenty-one billion, one hundred three million, two hundred one thousand, three hundred twenty-three".