1322021221003 has 4 divisors (see below), whose sum is σ = 1510881395440. Its totient is φ = 1133161046568.

The previous prime is 1322021220991. The next prime is 1322021221007. The reversal of 1322021221003 is 3001221202231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322021221003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322021221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94430087208 + ... + 94430087221.

It is an arithmetic number, because the mean of its divisors is an integer number (377720348860).

Almost surely, 2^{1322021221003} is an apocalyptic number.

1322021221003 is a deficient number, since it is larger than the sum of its proper divisors (188860174437).

1322021221003 is an equidigital number, since it uses as much as digits as its factorization.

1322021221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188860174436.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1322021221003 its reverse (3001221202231), we get a palindrome (4323242423234).

The spelling of 1322021221003 in words is "one trillion, three hundred twenty-two billion, twenty-one million, two hundred twenty-one thousand, three".