22211221110202 has 8 divisors (see below), whose sum is σ = 33344298141876. Its totient is φ = 11096455062912.

The previous prime is 22211221110187. The next prime is 22211221110227. The reversal of 22211221110202 is 20201112211222.

It can be written as a sum of positive squares in 2 ways, for example, as 22197205154881 + 14015955321 = 4711391^2 + 118389^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22211221110202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4577743063 + ... + 4577747914.

Almost surely, 2^{22211221110202} is an apocalyptic number.

22211221110202 is a deficient number, since it is larger than the sum of its proper divisors (11133077031674).

22211221110202 is a wasteful number, since it uses less digits than its factorization.

22211221110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155492192.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22211221110202 its reverse (20201112211222), we get a palindrome (42412333321424).

The spelling of 22211221110202 in words is "twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, two hundred two".