22000120221 has 8 divisors (see below), whose sum is σ = 29334553600. Its totient is φ = 14666216832.

The previous prime is 22000120193. The next prime is 22000120243. The reversal of 22000120221 is 12202100022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22000120221 - 2²³ = 21991731613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000120197 and 22000120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000120721) 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, 22621 + ... + 210978.

It is an arithmetic number, because the mean of its divisors is an integer number (3666819200).

Almost surely, 2^22000120221 is an apocalyptic number.

It is an amenable number.

22000120221 is a deficient number, since it is larger than the sum of its proper divisors (7334433379).

22000120221 is a wasteful number, since it uses less digits than its factorization.

22000120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264995.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22000120221 its reverse (12202100022), we get a palindrome (34202220243).

The spelling of 22000120221 in words is "twenty-two billion, one hundred twenty thousand, two hundred twenty-one".