1113322221003 has 4 divisors (see below), whose sum is σ = 1484429628008. Its totient is φ = 742214814000.

The previous prime is 1113322220999. The next prime is 1113322221007. The reversal of 1113322221003 is 3001222233111.

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

It is an interprime number because it is at equal distance from previous prime (1113322220999) and next prime (1113322221007).

It is not a de Polignac number, because 1113322221003 - 2² = 1113322220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113322221007) 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, 185553703498 + ... + 185553703503.

It is an arithmetic number, because the mean of its divisors is an integer number (371107407002).

Almost surely, 2^{1113322221003} is an apocalyptic number.

1113322221003 is a deficient number, since it is larger than the sum of its proper divisors (371107407005).

1113322221003 is an equidigital number, since it uses as much as digits as its factorization.

1113322221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371107407004.

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

Adding to 1113322221003 its reverse (3001222233111), we get a palindrome (4114544454114).

The spelling of 1113322221003 in words is "one trillion, one hundred thirteen billion, three hundred twenty-two million, two hundred twenty-one thousand, three".