1003221350540 has 48 divisors (see below), whose sum is σ = 2240433367200. Its totient is φ = 376034030592.

The previous prime is 1003221350533. The next prime is 1003221350563. The reversal of 1003221350540 is 450531223001.

It is a happy number.

1003221350540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6364610 + ... + 6520329.

It is an arithmetic number, because the mean of its divisors is an integer number (46675695150).

Almost surely, 2^{1003221350540} is an apocalyptic number.

1003221350540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003221350540 is an abundant number, since it is smaller than the sum of its proper divisors (1237212016660).

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

1003221350540 is a wasteful number, since it uses less digits than its factorization.

1003221350540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12885194 (or 12885192 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1003221350540 its reverse (450531223001), we get a palindrome (1453752573541).

The spelling of 1003221350540 in words is "one trillion, three billion, two hundred twenty-one million, three hundred fifty thousand, five hundred forty".