22120002010321 has 4 divisors (see below), whose sum is σ = 22219194844672. Its totient is φ = 22020809175972.

The previous prime is 22120002010303. The next prime is 22120002010333. The reversal of 22120002010321 is 12301020002122.

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 22120002010321 - 2⁵ = 22120002010289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120002010295 and 22120002010304.

It is not an unprimeable number, because it can be changed into a prime (22120002070321) 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, 49596416841 + ... + 49596417286.

It is an arithmetic number, because the mean of its divisors is an integer number (5554798711168).

Almost surely, 2^{22120002010321} is an apocalyptic number.

It is an amenable number.

22120002010321 is a deficient number, since it is larger than the sum of its proper divisors (99192834351).

22120002010321 is an equidigital number, since it uses as much as digits as its factorization.

22120002010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99192834350.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22120002010321 its reverse (12301020002122), we get a palindrome (34421022012443).

The spelling of 22120002010321 in words is "twenty-two trillion, one hundred twenty billion, two million, ten thousand, three hundred twenty-one".