22002122210021 has 8 divisors (see below), whose sum is σ = 22108632513888. Its totient is φ = 21895632990000.

The previous prime is 22002122210017. The next prime is 22002122210039. The reversal of 22002122210021 is 12001222120022.

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 22002122210021 - 2² = 22002122210017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002122210821) 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, 3176795 + ... + 7355016.

It is an arithmetic number, because the mean of its divisors is an integer number (2763579064236).

Almost surely, 2^{22002122210021} is an apocalyptic number.

It is an amenable number.

22002122210021 is a deficient number, since it is larger than the sum of its proper divisors (106510303867).

22002122210021 is a wasteful number, since it uses less digits than its factorization.

22002122210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541923.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22002122210021 its reverse (12001222120022), we get a palindrome (34003344330043).

The spelling of 22002122210021 in words is "twenty-two trillion, two billion, one hundred twenty-two million, two hundred ten thousand, twenty-one".