10021103132321 has 4 divisors (see below), whose sum is σ = 10093197399600. Its totient is φ = 9949008865044.

The previous prime is 10021103132317. The next prime is 10021103132333. The reversal of 10021103132321 is 12323130112001.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 10021103132321 - 2² = 10021103132317 is a prime.

It is a super-3 number, since 3×10021103132321³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021103132293 and 10021103132302.

It is not an unprimeable number, because it can be changed into a prime (10021103132221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36047133431 + ... + 36047133708.

It is an arithmetic number, because the mean of its divisors is an integer number (2523299349900).

Almost surely, 2^{10021103132321} is an apocalyptic number.

It is an amenable number.

10021103132321 is a deficient number, since it is larger than the sum of its proper divisors (72094267279).

10021103132321 is an equidigital number, since it uses as much as digits as its factorization.

10021103132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72094267278.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10021103132321 its reverse (12323130112001), we get a palindrome (22344233244322).

The spelling of 10021103132321 in words is "ten trillion, twenty-one billion, one hundred three million, one hundred thirty-two thousand, three hundred twenty-one".