22221120020210 has 16 divisors (see below), whose sum is σ = 40001185929600. Its totient is φ = 8887743587376.

The previous prime is 22221120020191. The next prime is 22221120020237. The reversal of 22221120020210 is 1202002112222.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87920090 + ... + 88172469.

It is an arithmetic number, because the mean of its divisors is an integer number (2500074120600).

Almost surely, 2^{22221120020210} is an apocalyptic number.

22221120020210 is a deficient number, since it is larger than the sum of its proper divisors (17780065909390).

22221120020210 is a wasteful number, since it uses less digits than its factorization.

22221120020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176105185.

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

Adding to 22221120020210 its reverse (1202002112222), we get a palindrome (23423122132432).

The spelling of 22221120020210 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, two hundred ten".