22321303320021 has 4 divisors (see below), whose sum is σ = 29761737760032. Its totient is φ = 14880868880012.

The previous prime is 22321303319941. The next prime is 22321303320037. The reversal of 22321303320021 is 12002330312322.

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 22321303320021 - 2²⁷ = 22321169102293 is a prime.

It is a super-3 number, since 3×22321303320021³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22321303319973 and 22321303320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321303320821) 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, 3720217220001 + ... + 3720217220006.

It is an arithmetic number, because the mean of its divisors is an integer number (7440434440008).

Almost surely, 2^{22321303320021} is an apocalyptic number.

It is an amenable number.

22321303320021 is a deficient number, since it is larger than the sum of its proper divisors (7440434440011).

22321303320021 is an equidigital number, since it uses as much as digits as its factorization.

22321303320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440434440010.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 22321303320021 its reverse (12002330312322), we get a palindrome (34323633632343).

The spelling of 22321303320021 in words is "twenty-two trillion, three hundred twenty-one billion, three hundred three million, three hundred twenty thousand, twenty-one".