1112321221003 has 4 divisors (see below), whose sum is σ = 1177751881080. Its totient is φ = 1046890560928.

The previous prime is 1112321220973. The next prime is 1112321221027. The reversal of 1112321221003 is 3001221232111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112321221003 - 2⁵ = 1112321220971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112321221093) 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 3 ways as a sum of consecutive naturals, for example, 32715330013 + ... + 32715330046.

It is an arithmetic number, because the mean of its divisors is an integer number (294437970270).

Almost surely, 2^{1112321221003} is an apocalyptic number.

1112321221003 is a deficient number, since it is larger than the sum of its proper divisors (65430660077).

1112321221003 is an equidigital number, since it uses as much as digits as its factorization.

1112321221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65430660076.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1112321221003 its reverse (3001221232111), we get a palindrome (4113542453114).

The spelling of 1112321221003 in words is "one trillion, one hundred twelve billion, three hundred twenty-one million, two hundred twenty-one thousand, three".