1003221452001 has 4 divisors (see below), whose sum is σ = 1337628602672. Its totient is φ = 668814301332.

The previous prime is 1003221451949. The next prime is 1003221452003. The reversal of 1003221452001 is 1002541223001.

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 not a de Polignac number, because 1003221452001 - 2¹⁹ = 1003220927713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003221452003) 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 3 ways as a sum of consecutive naturals, for example, 167203575331 + ... + 167203575336.

It is an arithmetic number, because the mean of its divisors is an integer number (334407150668).

Almost surely, 2^{1003221452001} is an apocalyptic number.

It is an amenable number.

1003221452001 is a deficient number, since it is larger than the sum of its proper divisors (334407150671).

1003221452001 is an equidigital number, since it uses as much as digits as its factorization.

1003221452001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334407150670.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1003221452001 its reverse (1002541223001), we get a palindrome (2005762675002).

The spelling of 1003221452001 in words is "one trillion, three billion, two hundred twenty-one million, four hundred fifty-two thousand, one".