1142103403321 has 4 divisors (see below), whose sum is σ = 1142178859600. Its totient is φ = 1142027947044.

The previous prime is 1142103403289. The next prime is 1142103403361. The reversal of 1142103403321 is 1233043012411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142103403321 - 2⁵ = 1142103403289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142103403361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37705431 + ... + 37735708.

It is an arithmetic number, because the mean of its divisors is an integer number (285544714900).

Almost surely, 2^{1142103403321} is an apocalyptic number.

It is an amenable number.

1142103403321 is a deficient number, since it is larger than the sum of its proper divisors (75456279).

1142103403321 is an equidigital number, since it uses as much as digits as its factorization.

1142103403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75456278.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1142103403321 its reverse (1233043012411), we get a palindrome (2375146415732).

The spelling of 1142103403321 in words is "one trillion, one hundred forty-two billion, one hundred three million, four hundred three thousand, three hundred twenty-one".