10001220220222 has 32 divisors (see below), whose sum is σ = 18706617264384. Its totient is φ = 3895946683200.

The previous prime is 10001220220171. The next prime is 10001220220237. The reversal of 10001220220222 is 22202202210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001220220196 and 10001220220205.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4319679 + ... + 6217882.

It is an arithmetic number, because the mean of its divisors is an integer number (584581789512).

Almost surely, 2^{10001220220222} is an apocalyptic number.

10001220220222 is a deficient number, since it is larger than the sum of its proper divisors (8705397044162).

10001220220222 is a wasteful number, since it uses less digits than its factorization.

10001220220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543744.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10001220220222 its reverse (22202202210001), we get a palindrome (32203422430223).

The spelling of 10001220220222 in words is "ten trillion, one billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty-two".