22021122220010 has 8 divisors (see below), whose sum is σ = 39638019996036. Its totient is φ = 8808448888000.

The previous prime is 22021122220007. The next prime is 22021122220033. The reversal of 22021122220010 is 1002222112022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18440145051601 + 3580977168409 = 4294199^2 + 1892347^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101056110991 + ... + 1101056111010.

Almost surely, 2^{22021122220010} is an apocalyptic number.

22021122220010 is a deficient number, since it is larger than the sum of its proper divisors (17616897776026).

22021122220010 is a wasteful number, since it uses less digits than its factorization.

22021122220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202112222008.

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

Adding to 22021122220010 its reverse (1002222112022), we get a palindrome (23023344332032).

The spelling of 22021122220010 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, ten".