1003321221032 has 32 divisors (see below), whose sum is σ = 2114021306880. Its totient is φ = 442937795520.

The previous prime is 1003321221031. The next prime is 1003321221037. The reversal of 1003321221032 is 2301221233001.

It is a junction number, because it is equal to n+sod(n) for n = 1003321220995 and 1003321221013.

It is not an unprimeable number, because it can be changed into a prime (1003321221031) 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, 209721944 + ... + 209726727.

It is an arithmetic number, because the mean of its divisors is an integer number (66063165840).

Almost surely, 2^{1003321221032} is an apocalyptic number.

It is an amenable number.

1003321221032 is an abundant number, since it is smaller than the sum of its proper divisors (1110700085848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003321221032 is a wasteful number, since it uses less digits than its factorization.

1003321221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419448713 (or 419448709 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1003321221032 its reverse (2301221233001), we get a palindrome (3304542454033).

The spelling of 1003321221032 in words is "one trillion, three billion, three hundred twenty-one million, two hundred twenty-one thousand, thirty-two".