22221101020202 has 8 divisors (see below), whose sum is σ = 38093316034656. Its totient is φ = 9523329008652.

The previous prime is 22221101020189. The next prime is 22221101020207. The reversal of 22221101020202 is 20202010112222.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (22221101020207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793610750708 + ... + 793610750735.

It is an arithmetic number, because the mean of its divisors is an integer number (4761664504332).

Almost surely, 2^{22221101020202} is an apocalyptic number.

22221101020202 is a deficient number, since it is larger than the sum of its proper divisors (15872215014454).

22221101020202 is a wasteful number, since it uses less digits than its factorization.

22221101020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587221501452.

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

Adding to 22221101020202 its reverse (20202010112222), we get a palindrome (42423111132424).

The spelling of 22221101020202 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred one million, twenty thousand, two hundred two".