22222112002021 has 8 divisors (see below), whose sum is σ = 22553881174880. Its totient is φ = 21890345648688.

The previous prime is 22222112002019. The next prime is 22222112002033. The reversal of 22222112002021 is 12020021122222.

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 22222112002021 - 2¹ = 22222112002019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222112002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222112002421) 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, 19442350 + ... + 20553568.

It is an arithmetic number, because the mean of its divisors is an integer number (2819235146860).

Almost surely, 2^{22222112002021} is an apocalyptic number.

It is an amenable number.

22222112002021 is a deficient number, since it is larger than the sum of its proper divisors (331769172859).

22222112002021 is a wasteful number, since it uses less digits than its factorization.

22222112002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409763.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22222112002021 its reverse (12020021122222), we get a palindrome (34242133124243).

The spelling of 22222112002021 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twelve million, two thousand, twenty-one".