1003130321221 has 8 divisors (see below), whose sum is σ = 1154802790080. Its totient is φ = 853549886688.

The previous prime is 1003130321209. The next prime is 1003130321227. The reversal of 1003130321221 is 1221230313001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003130321221 - 2²³ = 1003121932613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003130321227) 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 7 ways as a sum of consecutive naturals, for example, 523007551 + ... + 523009468.

It is an arithmetic number, because the mean of its divisors is an integer number (144350348760).

Almost surely, 2^{1003130321221} is an apocalyptic number.

It is an amenable number.

1003130321221 is a deficient number, since it is larger than the sum of its proper divisors (151672468859).

1003130321221 is a wasteful number, since it uses less digits than its factorization.

1003130321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046017163.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1003130321221 its reverse (1221230313001), we get a palindrome (2224360634222).

The spelling of 1003130321221 in words is "one trillion, three billion, one hundred thirty million, three hundred twenty-one thousand, two hundred twenty-one".