10221320003 has 8 divisors (see below), whose sum is σ = 10451101920. Its totient is φ = 9993545280.

The previous prime is 10221319973. The next prime is 10221320027. The reversal of 10221320003 is 30002312201.

It is a happy number.

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 10221320003 - 2⁸ = 10221319747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221320003.

It is not an unprimeable number, because it can be changed into a prime (10221320033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491498 + ... + 511871.

It is an arithmetic number, because the mean of its divisors is an integer number (1306387740).

Almost surely, 2^10221320003 is an apocalyptic number.

10221320003 is a deficient number, since it is larger than the sum of its proper divisors (229781917).

10221320003 is a wasteful number, since it uses less digits than its factorization.

10221320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003597.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10221320003 its reverse (30002312201), we get a palindrome (40223632204).

The spelling of 10221320003 in words is "ten billion, two hundred twenty-one million, three hundred twenty thousand, three".